INGREDIENTS
7
x5-inch Baking Dish
1/4 cup
all-purpose flour
1 tbsp
natural cocoa powder (sifted if lumpy)
1/2 tsp
baking powder
1/4 tsp
salt
4 tbsp
unsalted butter (room temperature)
1/4 cup
granulated sugar
1
large egg white
1/4 tsp
vanilla
2 tbsp
milk
2 tbsp
hot coffee or water
2 tbsp
unsalted butter
1 tbsp
milk
1 tsp
light corn syrup
1/2 tsp
vanilla extract
2
heaping tablespoons finely chopped semisweet chocolate ((high-quality chips are fine))
1/2 cup
powdered sugar (sifted)
Sprinkles (optional)