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Chocolate Banana Sourdough Bread

This chocolate banana sourdough bread is light and fluffy, with a rich chocolaty flavour and a sweet aroma of banana bread .

Course Bakes, Dessert
Cuisine Traditional
Keyword Bakes, Bread, Sourdough, Vegan
Prep Time 30 minutes
Cook Time 45 minutes
Calories 4528 kcal


  • 200 mil soy milk or choice of plant milk
  • 2 tbsp apple cider vinegar
  • 250 grams sourdough starter
  • 2 ripe bananas
  • 1 tsp vanilla extract
  • 60 mil grape seed oil
  • 1/3 cup apple sauce
  • 200 grams brown sugar
  • 200 grams castor sugar
  • 1 shot expresso coffee or 1 tsp instant coffee + 1 tbsp hot water
  • 1 cup plain flour sifted
  • 100 grams cocoa powder sifted
  • 1/2 tsp baking soda sifted
  • 1 tsp baking powder sifted
  • 1 tsp sea salt flakes
  • 200 grams dark chocolate roughly chopped


  1. Pre heat the oven to 180°C or 356°F.

  2. Prepare the buttermilk by mixing the soy milk and the apple cider vinegar together, and mix till liquid thickens.

  3. Using a mixer, add the sourdough starter, followed by the buttermilk mixture and mix till starter has loosen.

  4. Then add the mashed bananas, grape seed oil, vanilla extract, apple sauce, both sugars, shot of espresso, and mix.

  5. Then add the sifted flour, sifted cocoa powder, baking soda, baking powder, sea salt flakes and mix.

  6. Finally add the chopped chocolate, and mix till everything is incorporated.

  7. Pour the batter into a lined bread tin, and place in oven to bake.

  8. Put a small tray or dish of hot water underneath the bread tin to create steam and keep the bread moist.

  9. Bake for 45 minutes, or until skewer comes out clean when doing the tooth pick test.

  10. Remove bread from tin and allow to cool slightly before serving.

Recipe Notes

I used a mixer to make things easier, but not necessary. It's pretty easy to incorporate with just a bow, spoon and some muscle 💪🏻.


If you don't have grape seed oil, you can use another flavourless oil like vegetable or sunflower seed oil. Of course you can use olive oil too.


If the top of the bread is browning too much before cooked through. Cover with foil to stop it from burning.


Bread will keep for one week, or up to one month frozen.


*Nutrition information is approximate and is meant as a guide only


Nutrition Facts
Chocolate Banana Sourdough Bread
Amount Per Serving
Calories 4528 Calories from Fat 1494
% Daily Value*
Fat 166g255%
Saturated Fat 64g400%
Cholesterol 6mg2%
Sodium 3191mg139%
Potassium 5046mg144%
Carbohydrates 762g254%
Fiber 68g283%
Sugar 486g540%
Protein 63g126%
Vitamin A 1015IU20%
Vitamin C 35mg42%
Calcium 967mg97%
Iron 47mg261%
* Percent Daily Values are based on a 2000 calorie diet.