DIY Chocolate Stripe Cake

Ingredients:

For the vanilla cake:

• 115 g unsalted butter, at room temperature
• 200 g granulated sugar
• 2 eggs
• 1 tsp vanilla paste
• 185 g plain flour
• 1½ tsp baking powder
• 180 ml buttermilk

For the chocolate roulade:

• 24 egg yolks
• 200 g granulated sugar
• 1 tsp vanilla extract
• 1 tsp coffee extract, optional
• 8 egg whites
• 140 g strong bread flour
• 40 g cocoa powder

For the buttercream:

• 15 egg whites
• 600 g granulated sugar
• 1 tsp vanilla paste
• 1.4 kg unsalted butter

For the ganache:

• 225 g dark chocolate, finely chopped
• 120 ml double cream
• 2 tbsp unsalted butter

Methods:

References from: Good Home Design