1 pkg. yellow cake mix
1 (3 oz.) pkg. instant coconut or banana jello
3 eggs
1 cup water
1/4 cup vegetable oil
1/2 cup mashed bananas
1/2 cup coconut flakes

Mix all ingredients together. Put in a greased and floured Bundt cake pan. Bake at 350°F for 45 to 50 minutes. Check with toothpick to see if done.