INGREDIENTS
4 oz
unsweetened chocolate, chopped
1/4 cup
Dutch-processed cocoa
1 1/4 cups
boiling water
3/4 cup
all-purpose flour
3/4 cup
cake flour
1 tsp
baking soda
1/2 tsp
salt
16 tbsp
unsalted butter, 2 sticks, softened to room temperature
1 1/2 cups
light brown sugar
3
eggs, at room temperature
1/2 cup
greek yogurt
1 1/2 tsp
vanilla extract
4 tbsp
butter
8 oz
semi-sweet chocolate
1/4 cup
brewed coffee, at room temperature
2 tsp
instant espresso
1/3 cup
powdered sugar
1 tsp
vanilla