Ingredients
Method
- Heat oven to 350F; grease 8x8 pan.
- Whisk flour, baking powder, and salt.
- Cream butter and sugar; beat in eggs and vanilla.
- Alternate dry mix and milk; spread half batter in pan.
- Mix brown sugar and cinnamon; sprinkle half over batter, then add remaining batter and swirl mixture.
- Rub streusel flour, butter, and pinch cinnamon into crumbs; scatter over and bake 30 to 35 minutes.
Notes
Swirl the batter gently with a knife for marbled layers.
