INGREDIENTS
Cake:
1 cup
sugar
1 stick
unsalted butter, at room temperature
2
Eggs
1 tsp
vanilla
1 cup
sour cream
2 cups
all purpose flour
2 tsp
baking powder
1/2 tsp
baking soda
1 tsp
salt
1 cup
semi-sweet chocolate chips
Crumb Topping:
1/2 cup
sugar
1 1/4 cups
all purpose flour
1/4 tsp
salt
1 stick
unsalted butter, melted
Chocolate Sauce:
1/3 cup
chocolate chips
2 tbsp
unsalted butter