Banana Bars -Lynn

1 1/2 cups sugar
1 cup *sour cream or yogurt
1/2 cup margarine
2 eggs
1 1/2 cups mashed bananas
2 tsp. vanilla
2 cups flour
1 tsp. salt
1 tsp. baking soda
1/2 cup nuts

Mix ingredients together. Pour into a greased cookie sheet. Bake at 350° for 20-25 minutes. Frost with cream cheese frosting.

*I just add a little vinegar to milk and let it curdle.