Easy Banana Sheet Cake - cooking recipe

Ingredients

2 large ripe bananas, mashed well or 3 small ripe bananas
1 1/2 sticks margarine
1/2 c. water
2 c. flour
1/2 tsp. salt
1/2 tsp. soda
1/2 c. sour milk

Preparation

To sour milk, add 1 tablespoon vinegar or lemon juice to milk to equal 1/2 cup.
Let stand until it curdles.