Banana Cake - cooking recipe

Ingredients

1 box yellow cake mix (cheap cake mix, not the moist or with pudding in it)
1 tsp. baking soda
1 c. milk
1 Tbsp. vinegar
3 eggs
2 to 4 really ripe bananas, mashed

Preparation

Put all in mixer bowl and mix to moisten dry ingredients.
Mix on medium speed for 5 minutes.
Bake in a greased and floured 13 x 9-inch cake pan bake at 350\u00b0 for 30 minutes, or until done.