For the sake of this recipe, we will leave it in the pan.
This recipe will make make a 8 inch cake.
1 1/3 cups flour
2/3 cup sugar
2 t baking powder
2/3 cup milk
1/4 cup softened butter or margarine
1 t vanilla
Combine the dry ingredients, and the remaining ingredients. Beat with and electric mixer until blended then beat on medium speed for about a minute.
Take out 2 T of the batter and to it add:
1/4 cup soft butter
1/4 cup brown sugar
1 1/2 t cinnamon
Mix until well blended. This is the cinnamon filling
Grease and flour 8 inch round (or square) pan. Add the cake batter. Dollop cinnamon filling on top of the cake. Use a knife to swirl the cinnamon filling through out the cake to make the marble effect. Bake in 350 degree oven for 25-30 minutes or until done. Cake will pull away from the sides and a toothpick will come out clean.
For the glaze add:
1 cup powdered sugar
2 T milk
1/2 t vanilla
Combine all ingredients, mix until smooth.
You can add the glaze while the cake is still warm, I waited until it cooled a little.