01 -
Heat oven to 350°F and spray a 9x13 baking dish with nonstick spray
02 -
Mix flour, sugar, baking powder, eggs, vanilla and milk with a hand mixer. Slowly blend in melted butter. Spread in pan
03 -
Mix softened butter, brown sugar, flour and cinnamon until well combined
04 -
Drop spoonfuls of cinnamon mixture over batter. Use a knife to create swirls throughout
05 -
Bake 35-40 minutes until a knife inserted in center comes out clean
06 -
Whisk together powdered sugar, milk and vanilla. Pour over warm cake before serving