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Moist plum sour cream cake topped with golden sugar crumble and fresh blood plums

Plum Sour Cream Cake

This plum sour cream cake combines rich dairy, fruit moisture, and gentle acidity to create a soft, stable crumb that stays tender for days. The crumble topping adds contrast, while the plums bake into the batter for bursts of flavour. It’s everyday baking with smart ingredient balance and simple food science.
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Prep Time 1 day 30 minutes
Cook Time 45 minutes
Total Time 2 hours
Servings: 8 people
Course: Dessert, Snack
Cuisine: Baking
Ingredients Equipment Method Video Notes

Ingredients
  

Cake Batter
  • 225 g Plain flour
  • 150 g Castor Sugar
  • 4 g Baking powder
  • 3 g Bicarbonate of Soda
  • 2 g Sea salt
  • 120 g Sour Cream
  • 125 g Unsalted Butter (Note 1)
  • 2 large eggs (70g)
  • 1g Vanilla paste
  • 2 Lemons zested
Crumble
  • 20 g Unsalted Butter
  • 40 g Castor sugar
  • 20 g Plain Flour
  • 2 g Cardamom
Topping
  • 5 Blood Plums (Note 2)
  • icing sugar
Tin Preparation
  • Olive oil

Equipment

  • 1 Oven
  • 1 20 cm spring form tin
  • 1 Oven tray
  • 1 Stand Mixer flat beater
  • 1 Stand Mixer
  • 1 dough scraper
  • 1 Medium Bowl
  • 1 Small bowl
  • 1 Sieve
  • 1 zester
  • 1 chopping board
  • 1 knife

Method
 

  1. Set the Oven to 175C
  2. Oil the tin and add baking paper to the bottom and sides of the tin
Cake Batter
  1. Sift the flour, Baking powder and Bicarbonate of soda
  2. Add the salt
  3. Cream the butter and sugar until white
  4. Add the eggs and mix in.
  5. Add in the vanilla and zest
  6. Add the dry ingredients in three batches and the sour cream in between
  7. Transfer the batter to the tin and spread evenly
Crumble Topping
  1. Add the butter, sugar flour and cardamom together and mix until bread crumbs form
Topping
  1. Cut the plums in half and take out the pip
  2. Add the plums to the butter in an even pattern face down
  3. Scatter the crumble over the top
Bake and Finish
  1. Bake for 45-50mins
  2. Cool 30 mins before taking out of the tin and dust with icing sugar

Video

Notes

Note 1-Cut butter  into small cubes and leave out the night to soften if possible or microwave 10 seconds at a time until finger soft (do not melt)
Note 2-Other seasonal plums are great too.Ensure the plums are firm to touch.