This cake is very light. No Frosting & the cinnamon & sugar doesn't over power it like frosting does sometimes !
Preheat oven to 350F and grease/flour 13 x 9 cake pan.
Prepare cake mix according to package.
Pour batter into prepared cake pan.
Sprinkle, cinnamon & sugar mixture over the cake batter.
With your stick of margarine~ cut up into 8 tablespoon.
Drop margarine on top of cake batter ~ one in each corner & the other 4 in middle of cake.
Bake according to cake directions.
The margarine while baking will pull the cinnamon & sugar mixture down through the cake!
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