Mix together the cake mix, bananas, eggs, and vegetable oil. Pam spray 2 loaf pans. Sprinkle cinnamon/sugar mixture on bottom of each pan. Pour ¼ of mixture in each pan. Again, sprinkle cinnamon/sugar mixture on top. Pour the rest of the mixture dividing between both pans. Top with cinnamon/sugar mixture. Bake at 350 degrees for 20-30 minutes or until knife comes out clean.
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