Marble Cake with Rich Chocolate Frosting

INGREDIENTS

1 oz

Dutch processed cocoa powder- 1/3 cup

6 tbsp

very hot water

1 oz

unsweetened chocolate

16 tbsp

(8 ounces, or 230 grams) unsalted butter softened

13 oz

granulated sugar

large eggs

2 tbsp

vanilla extract

12 oz

all-purpose flour- 2 ½ cups

1 tsp

baking powder

3/4 tsp

baking soda

1/2 tsp

salt

1 cup

plus 2 tablespoons (330 milliliters) cold buttermilk

1 cup

heavy whipping cream

1/2 cup

mascarpone, cream cheese, sour cream or more heavy whipping cream-(4 ounces by weight or 115 grams)

1 3/4 oz

granulated sugar- ¼ cup*

2 tbsp

corn syrup or glucose syrup

1/4 tsp

salt

1 1/2 oz

cocoa powder (natural or Dutch processed)

14 oz

chocolate (dark, milk or true white chocolate), chopped, broken or chips

12 oz

unsalted butter softened- 3 sticks

2 tsp

vanilla extract

6 oz

powdered/confectioner’s sugar- 2 1/2 cups