Ingredients
Prep Time: 20 mins
Total Time: 45 mins
1 and ¼ cups (176g) plain flour
1 and ¼ cups (150g) cake flour
1 tsp baking powder
½ tsp baking soda
½ tsp salt
1 and 2/3 cups (356g) granulated sugar
¾ cup (6 oz) unsalted butter, softened
¼ cup (2 oz) vegetable oil
3 large eggs
2 large egg yolks
2 tsp vanilla extract
1 cup (8 oz) buttermilk
1 and ½ cups (12 oz) butter, at room temperature (I used 1 cup unsalted and ½ cup salted)
3 and ¾ cups (448g) icing sugar
2/3 cup (68g) cocoa powder
3 - 5 tbsp single cream
1 and ½ tsp vanilla extract
Preparation
