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sourdough chocolate cake

Overnight Sourdough Chocolate Cake with Rich Frosting Recipe


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  • Author: Meriem
  • Total Time: 12 hours (including overnight ferment)
  • Yield: 12 1x

Description

This Overnight Sourdough Chocolate Cake isn’t just another dessert—it’s a showstopper! The sourdough discard adds a subtle tang and moist texture, while the rich chocolate flavor, enhanced by cocoa powder and optional coffee, creates a depth of flavor that’s irresistible.

Ingredients

Scale
  • 2 1/4 cups (280g) all-purpose flour 🍞
  • 1 cup (250g) cold milk 🥛
  • 1/4 cup (20g) cocoa powder 🍫
  • 1/4 cup (50g) sourdough discard or active starter 🍞
  • 2 eggs (room temperature) 🥚
  • 1 1/2 cups (320g) sugar 🍬
  • 1 tsp (5g) vanilla extract 🌸
  • 1/2 cup (125g) vegetable oil 🥄
  • 1/3 cup (40g) cocoa powder 🍫
  • 1 1/2 tsp (8g) baking powder 🧁
  • 3/4 tsp (4g) baking soda 🧁
  • 3/4 tsp (4g) salt 🧂
  • 2/3 cup (150g) boiling water 💧
  • 1 1/2 tsp (8g) instant coffee powder (optional) ☕
  • 1 1/2 tbsp (20g) butter (for greasing) 🧈
  • 1 1/3 cups (400g) sweetened condensed milk 🥛
  • 1 cup (170g) milk chocolate pieces 🍫
  • 1 tsp (5g) vanilla extract 🌸

Instructions

  1. In a large bowl, mix 2 1/4 cups (280g) flour, 1 cup (250g) cold milk, 1/4 cup (20g) cocoa powder, and 1/4 cup (50g) sourdough discard until combined. Cover and let ferment overnight at room temperature for 8-12 hours. 🍞🥛🍫🍞
  2. Preheat oven to 350°F (175°C) and grease a bundt pan with 1 1/2 tbsp (20g) butter. 🧈🔥
  3. In a separate bowl, beat 2 eggs with 1 1/2 cups (320g) sugar and 1 tsp (5g) vanilla extract, then add 1/2 cup (125g) vegetable oil, 1/3 cup (40g) cocoa powder, 1 1/2 tsp (8g) baking powder, 3/4 tsp (4g) baking soda, and 3/4 tsp (4g) salt. Mix well. 🥚🍬🌸🥄🍫🧁🧂
  4. Stir in 2/3 cup (150g) boiling water and 1 1/2 tsp (8g) instant coffee (if using), then fold in the fermented sourdough mixture. Pour into the prepared pan. 💧☕🍞
  5. Bake for 50 minutes or until a toothpick comes out clean. Cool completely. 🔥⏲️
  6. In a saucepan, heat 1 1/3 cups (400g) sweetened condensed milk over medium heat until warm. 🥛
  7. Add 1 cup (170g) milk chocolate pieces and 1 tsp (5g) vanilla extract, stirring until melted and smooth. 🍫🌸
  8. Remove from heat and let cool slightly before pouring over the cooled cake. Spread evenly. 🍰
  9. Allow the frosting to set before serving. ❄️🍽️
  • Prep Time: 20 minutes
  • Cook Time: 50 minutes

Nutrition

  • Serving Size: 1 slice (approx. 1/12 of cake with frosting)
  • Calories: 450 kcal
  • Sugar: 38g
  • Sodium: 220mg
  • Fat: 20g
  • Saturated Fat: 8g
  • Unsaturated Fat: 10g
  • Trans Fat: 0g
  • Carbohydrates: 62g
  • Fiber: 3g
  • Protein: 6g
  • Cholesterol: 45mg