INGREDIENTS
1
Egg, large
1/2 tsp
Baking powder
1/2 tsp
Baking soda
1/3 cup
Brown sugar, packed light
2 tsp
Cinnamon, ground
1 2/3 cups
Flour
3/4 cup
Granulated sugar
1/4 tsp
Salt
1
Topping
1/2 tsp
Vanilla extract
1
Cake
7 tbsp
Butter
1/2 cup
Sour cream
1/4 cup
Vanilla or plain yogurt