Vegan Banana Cake
This moist vegan banana cake delivers all the softness, richness, and comforting flavour of a classic banana cake — without using eggs or dairy.
To begin with, ripe bananas provide natural sweetness, moisture, and valuable binding power. At the same time, soy lecithin helps keep the fat and water evenly emulsified, while Lab-Whip adds aeration and helps create the light crumb normally produced by eggs.
Meanwhile, coconut milk and oil bring richness and tenderness without making the cake feel heavy. In addition, brown sugar adds deeper caramel notes, while cinnamon brings warmth and enhances the banana flavour.
As the cake bakes, the sugars and proteins develop deeper colour and flavour through browning reactions. As a result, the finished cake has a soft, moist crumb, a rich golden colour, and the familiar caramelised flavour you expect from a traditional banana cake.
Ultimately, it is a vegan banana cake that does not feel like a compromise — just a beautifully moist, flavourful cake made with smart ingredient swaps.
After four rounds of recipe adjustments, this version of my vegan banana cake finally hits the mark — a commercial-grade vegan cake with the same tender texture, balanced flavour, and golden finish as a banana cake made with eggs. Simple enough for home bakers, yet technically refined for consistent, professional results.
The Science Behind This Vegan Banana Cake
This vegan banana cake works by replacing the usual functions of eggs with a combination of banana, Lab-Whip, soy lecithin, fat, and chemical leavening.
Firstly, the large amount of ripe banana does much more than add flavour. At 600 g, it provides a substantial amount of moisture, natural sugars, fibre, and pectin. As the bananas ripen, more of their starch converts into sugar, which gives the cake extra sweetness while also helping it stay soft and moist after baking. In addition, the natural pectin and fibre help bind the crumb, partially replacing the structural role normally provided by eggs.
Next, Lab-Whip helps build aeration. Once incorporated into the batter, it supports the formation and retention of tiny air bubbles. Then, as the cake heats in the oven, those bubbles expand and contribute to a lighter crumb. This is particularly important in an egg-free cake, where there is no egg foam to provide natural aeration.
At the same time, soy lecithin improves emulsification. The recipe contains a significant amount of oil alongside banana and coconut milk, so the batter contains both fat- and water-based ingredients. Lecithin helps these two phases stay evenly dispersed. As a result, the batter remains more uniform and the finished loaf develops a finer, softer crumb with less risk of oily separation.
Meanwhile, coconut milk adds both moisture and richness. Its water hydrates the flour and helps the starches swell during baking, while its fat contributes tenderness and mouthfeel. Olive oil then adds further softness because it remains liquid at room temperature. Consequently, the crumb stays moist even after the cake has cooled.
The sugars also play several roles. Caster sugar provides sweetness and helps tenderise the crumb, while soft brown sugar adds both moisture and deeper flavour. Because brown sugar contains molasses, it also contributes a slightly richer colour and more caramel-like notes.
As the batter heats, bicarbonate of soda produces carbon dioxide. This gas expands the air cells already present in the batter, increasing volume and helping the loaf rise. At the same time, the relatively alkaline batter encourages stronger browning, which contributes to the deep golden-brown colour and roasted flavour associated with banana cake.
Then, as baking continues, the structure begins to set. Flour starches absorb water and gelatinise, while the flour proteins coagulate and strengthen the crumb around the expanding gas cells. This balance between starch setting, protein structure, fat tenderisation, and retained moisture is what gives the cake enough strength to slice cleanly without becoming dry.
Finally, cinnamon enhances the warm flavour profile, while the combination of banana sugars, brown sugar, and available proteins encourages both caramelisation and Maillard browning. Together, these reactions create the deeper aroma, colour, and flavour normally associated with a traditional banana cake.
Ultimately, the formula works because each ingredient replaces a specific function normally supplied by eggs and dairy: banana provides moisture and binding, Lab-Whip supports aeration, lecithin stabilises the emulsion, coconut milk and oil provide richness and tenderness, and bicarbonate of soda supplies the final lift. As a result, the finished loaf remains moist, soft, well-aerated, and distinctly banana-forward.
Instructions on how to make this Vegan Banana Cake
STEP 1
In a stand mixer with a flat paddle mix together the bananas, two sugars, lab whip and soy lecithin. When white and light add in the oil slowly and then the coconut milk
STEP 2
Add in the combined dry ingredients ensuring the bicarbonate of soda is sifted. Mix on a low speed until combined. Scrape the sides.
STEP 3
grease and line a loaf tin. Add the banana mix ready for the oven .
STEP 4
Bake at 200C for 35-40mins until the top is caramelised. Reduce the temperature to 150C and bake until the middle is set but still wobbly.
Vegan Banana Cake
Ingredients
Equipment
Method
- Preheat oven to 175°C (350°F).
- Grease a loaf tin and line the bottom with baking paper.
- Mash bananas in a large bowl until smooth.
- Add Bananas and whisk in the two lots of sugar, with the lab whip and soy lecithin .Once light and white add in the oil slowly and then the coconut milk.
- In a separate bowl, mix flour, Bicarbonate of soda(sifted ),Cinnamon and salt.Fold dry ingredients into the wet until just combined (don’t over mix, gluten will toughen the loaf).
- Pour into prepared tin. Bake for 55–60 minutes, or until a skewer comes out clean or the internal temperature is 85C.
- Cool in tin for 10 minutes, carefully tip out and then transfer to a rack.
Video
Notes
Fun At-Home Testing: Vegan Banana Cake
The Ripeness Test
To begin with, try using bananas at different stages of ripeness.
- Yellow with freckles: balanced sweetness and a firmer crumb.
- Overripe and dark: stronger banana aroma and a softer, moister texture.
Then, compare the finished loaves to see which version gives the best balance of flavour, moisture, and structure.
The Flour Strength Test
Next, bake one loaf with plain flour and another with wholemeal or spelt flour.
Because wholemeal and spelt behave differently, you may notice changes in lift, moisture retention, and crumb density. As you compare them, record the differences in rise, colour, tenderness, and overall texture.
The Sweetener Swap
After that, try replacing part or all of the brown sugar with allulose or coconut sugar.
In particular, look at:
- Colour: allulose browns readily, while coconut sugar gives a naturally deeper colour.
- Texture: reduced-sugar versions may retain moisture differently and can produce a softer or slightly denser crumb.
The Milk Trial
For another useful comparison, swap the coconut milk for soy, almond, or oat milk.
Then observe how each milk changes the flavour and crumb.
- Soy milk may give slightly more structure because of its higher protein content.
- Oat milk can add mild sweetness and softness.
- Almond milk tends to keep the flavour lighter and more neutral.
As a result, this test shows how even a small liquid change can influence the final cake.
The Doneness Test
Next, test the loaf at different stages of baking. Insert a skewer at 50, 55, and 60 minutes.
At each stage, note whether the skewer comes out clean and whether the top springs back when lightly pressed.
By comparing these stages, you can see how baking time affects crust colour, crumb setting, and internal moisture. In turn, this helps identify the point where the cake is fully baked without becoming dry.
The Freeze–Thaw Challenge
Finally, slice a completely cooled loaf, freeze it overnight, and then allow it to thaw.
Once thawed, compare the crumb, moisture, and softness with the freshly baked version.
This is particularly useful because it demonstrates how moisture, fat, and emulsifiers such as lecithin help protect the cake’s structure during freezing and thawing. As a result, it gives a simple insight into the same principles used when assessing the stability of commercial baked products.
Kitchen Science Challenge: Vegan Banana Cake
Test, taste, and learn! Try these quick experiments at home to see how small changes affect your banana cake’s texture, flavour, and rise.
| Test | What to Do | What to Observe | Notes / Results |
|---|---|---|---|
| 1. Banana Ripeness | Bake one cake with freckled bananas and one with overripe dark ones. | Which loaf smells stronger? Which has better crumb structure? | |
| 2. Flour Strength | Use plain flour vs. wholemeal or spelt. | How does the texture and height change? | |
| 3. Sweetener Swap | Replace brown sugar with allulose or coconut sugar. | Does the colour, sweetness, or texture change? | |
| 4. Milk Variation | Try coconut, soy, oat, or almond milk. | Which gives the creamiest flavour and best rise? | |
| 5. Doneness Timing | Check skewer at 50, 55, 60 minutes. | When does it come out clean? How does crust colour differ? | |
| 6. Freeze–Thaw Test | Slice, freeze overnight, then thaw. | How well does texture hold after freezing? |
Tip: Record your results and share your favourite version — it’s the best way to understand how ingredients shape vegan baking!
Quick Swaps Cheat Sheet – Vegan Banana Cake
| Ingredient Type | Original Ingredient | Swap Option | Effect / Why It Works |
|---|---|---|---|
| Milk Alternatives | Coconut milk | Soy milk | Adds protein and structure; balances moisture. |
| Coconut milk | Oat milk | Creamy texture and natural sweetness. | |
| Coconut milk | Almond milk | Light crumb with mild nut flavour. | |
| Sugar Options | Brown sugar | Allulose | Low-calorie, browns like sugar, keeps crumb moist. |
| Brown sugar | Coconut sugar | Rich toffee flavour, lower glycaemic index. | |
| Brown sugar | 70:30 Allulose + Erythritol | Balanced sweetness and structure for commercial baking. | |
| Flour Choices | Plain flour | Spelt flour | Adds nutty flavour and soft texture. |
| Plain flour | Wholemeal flour | More fibre, denser crumb — reduce banana by 30 g. | |
| Plain flour | Gluten-free 1:1 blend (with xanthan gum or CMC) | Keeps texture soft and suitable for gluten-free diets. | |
| Egg Replacements | — | 1 Tbsp flaxseed gel (per egg) | Adds binding and fibre; slightly earthy flavour. |
| — | 3 Tbsp aquafaba (per egg) | Lighter crumb and neutral flavour. | |
| — | 1 tsp soy lecithin + 1 tsp LabWhip | Recreates emulsification and lift of eggs. | |
| Fats | Neutral oil | Melted coconut oil | Richer flavour; firmer crumb when cool. |
| Neutral oil | Light olive oil | Neutral flavour, improves shelf stability. | |
| Flavour Add-Ons | — | Chopped nuts, chocolate chips, or fruit | Adds texture and variety. |
| — | Lemon zest + vanilla | Bright, café-style flavour profile. |
Tip: Keep notes on which swaps you try — subtle changes in fat, sugar, or flour alter not just flavour but mouthfeel, colour, and shelf life.
Quick Ingredient Swaps for this Vegan Banana Cake
Milk Alternatives
To begin with, you can change the milk to adjust both flavour and structure.
- Swap coconut milk → soy milk for more protein and slightly more structure.
- Alternatively, use oat milk for a naturally sweet, creamy texture.
- For a lighter result, choose almond milk for a more delicate crumb and subtle nuttiness.
Sugar Alternatives
Next, changing the sugar will affect sweetness, browning, and moisture retention.
- Swap brown sugar → allulose for a lower-sugar option with good moisture retention.
- Alternatively, use coconut sugar for deeper toffee-like notes.
- For a more balanced sweetness profile, blend allulose + erythritol at 70:30.
Flour Variations
Likewise, the flour can be adjusted depending on the texture or dietary outcome you want.
- Swap plain flour → spelt flour for a slightly nutty flavour and tender crumb.
- For a gluten-free version, use a gluten-free blend with xanthan gum or CMC to help replace gluten structure.
- Alternatively, use wholemeal flour for extra fibre; however, reduce the banana by around 30 g to help keep the crumb balanced.
Egg Replacements
If you want to experiment beyond banana, you can also trial other egg replacers.
- Use 1 Tbsp flaxseed gel in place of 1 egg for extra fibre and a slightly earthier flavour.
- Alternatively, use 3 Tbsp aquafaba in place of 1 egg for a lighter crumb and more neutral flavour.
Keep in mind, however, that these replacements behave differently from Lab-Whip and lecithin, so the final crumb may change.
Fat Options
Meanwhile, changing the fat can alter both softness and eating quality.
- Swap oil → melted coconut oil for added richness and a slightly firmer crumb once cool.
- Alternatively, use light olive oil for a more neutral flavour while still keeping the loaf soft and moist.
Flavour Twists
Finally, once the base formula is working well, you can use simple additions to create new variations.
- Add chopped walnuts or pecans for extra crunch and richness.
- Alternatively, stir through vegan chocolate chips or blueberries.
- For a fresher café-style version, add lemon zest + vanilla.
As a result, the same banana loaf can become a flexible base recipe that adapts easily to different flavours, dietary needs, and textures.
Storage for this Vegan Banana Cake
Storage Tips – Vegan Banana Cake
Once the cake has cooled completely, store it properly to protect its soft, moist crumb and keep it tasting fresh.
Room Temperature
For short-term storage, place the cooled banana cake in an airtight container and keep it at room temperature for up to 3 days.
Ideally, store it in a cool, dry place away from direct sunlight and heat. This helps prevent excess condensation, stickiness, and mould growth.
Refrigeration
If you need to keep the cake for longer, refrigerate it for up to 5–7 days.
Before chilling, wrap the loaf or individual slices tightly in baking paper or cling film. This helps reduce moisture loss and prevents the crumb from drying out.
Then, before serving, allow the cake to return to room temperature. As it warms, the crumb softens and the banana flavour becomes more noticeable again.
Freezing
For even longer storage, freezing works very well.
First, allow the cake to cool completely. Then, slice it and wrap each portion individually in cling film or compostable wrap.
Next, place the wrapped slices in an airtight container or freezer bag and freeze for up to 2 months.
When you are ready to serve, thaw the slices at room temperature for around 1–2 hours. Alternatively, warm them briefly in the microwave for 10–15 seconds for a softer, just-baked texture.
Pro Tip
Finally, if condensation tends to build up inside the storage container, place a small piece of paper towel inside to absorb excess moisture.
As a result, the surface is less likely to become sticky while the crumb stays soft and moist for longer.
Fun Facts – Vegan Banana Cake Edition
Bananas were once called “nature’s custard.”
To begin with, bananas have long been valued for their naturally creamy texture and sweetness. Because of this, they can replace some of the moisture, binding, and richness normally supplied by eggs and dairy in baking.
The riper the banana, the sweeter the bake.
As bananas ripen, their starches gradually break down into simpler sugars. As a result, dark, spotty bananas usually give banana cake a sweeter flavour, stronger aroma, and softer texture.
Banana flavour develops as the cake rests.
Interestingly, banana aroma compounds continue to influence the flavour after baking. Because of this, the cake can taste more rounded and aromatic the following day as the flavours settle and redistribute through the crumb.
Allulose browns readily.
Meanwhile, allulose is useful when you want to reduce conventional sugar while still encouraging browning. During baking, it reacts readily under heat, helping create deeper colour and caramel-like notes.
Cinnamon does more than add flavour.
In addition, cinnamon can enhance the perception of sweetness through its warm aromatic profile. Therefore, it can make a reduced-sugar bake taste more satisfying without simply adding more sugar.
Coconut milk adds body and richness.
At the same time, coconut milk contributes both water and fat. The water helps hydrate the flour, while the fat adds richness and tenderness. Together, these qualities help produce the soft, moist crumb expected from a good banana cake.
Banana bread became especially popular during the Great Depression.
Historically, banana bread recipes became increasingly popular in the 1930s, when home cooks were keen to avoid wasting overripe fruit. At the same time, the growing availability of chemical raising agents made quick breads easier to prepare at home. Today, using overripe bananas remains a simple way to reduce food waste.
Vegan banana cake is easy to transport.
Finally, its naturally moist crumb makes banana cake practical for picnics, cafés, and lunchboxes. Because it contains no dairy or fresh cream filling, it is also simpler to transport than many refrigerated cakes. However, it should still be stored carefully and kept cool in hot weather.
FAQs For the Vegan Banana Cake
. Can I use any type of banana?
Use ripe bananas with plenty of brown freckles. They’re sweeter and mash more smoothly, giving your cake better flavour and structure. Overripe (black-skinned) bananas work too but can make the crumb denser and slightly darker.
Why did my vegan banana cake sink in the middle?
Usually from too much moisture or underbaking. Check banana weight (too many makes it heavy) and bake fully until the centre springs back. Also make sure your bicarbonate of soda is fresh — it’s your only leavening agent here.
Can I reduce the sugar?
Yes. Replace brown sugar with allulose or a mix of allulose and coconut sugar to lower the sugar load. Allulose gives good browning and moisture retention, but slightly softens the crumb.
What milk works best?
Coconut milk gives the richest result, but soy or oat milk provide structure and balance. Almond milk keeps it light, and rice milk works if you increase emulsifiers slightly (e.g., add 1–2 g more lecithin).
Can I make it gluten-free?
Yes — swap plain flour for a 1:1 gluten-free flour blend with xanthan gum or CMC (carboxymethyl cellulose.) The crumb will be softer, so reduce liquid by about 5%.
How do I know when it’s baked?
At 175 °C for 50–55 minutes, the cake should have a golden top and a clean skewer. The centre should spring back lightly when pressed.
Can I freeze vegan banana cake?
Absolutely. Slice once cooled, wrap each slice, and freeze up to 2 months. Thaw at room temperature or warm for 10–15 seconds before serving.
Why does my banana cake turn darker after baking?
Banana enzymes (polyphenol oxidase) react with oxygen and natural sugars during baking — it’s harmless and actually adds depth of flavour.
Can I add nuts or chocolate chips?
Yes! Stir through chopped walnuts, pecans, or dark chocolate chips just before baking. Reduce banana slightly (about 30 g) to balance moisture.
