Ingredients
Cake:
1 stick butter, softened
3/4 cup sugar
1 tsp vanilla
1 egg
2 cups flour
2 tsp baking powder
pinch salt
3/4 cup milk
Filling:
3 T butter, softened
1 T cinnamon
1/2 cup flour
1/2 cup packed brown sugar
Topping:
4 T butter, cold, cut into chunks
1 cup flour
1/2 cup packed brown sugar
1 T cinnamon
Preparation
