Banana Nut Bread - cooking recipe

Ingredients

2 c. flour
2 tsp. baking powder
1/2 tsp. baking soda
1/2 tsp. salt
1/4 c. margarine
1/2 c. sugar
2 eggs
2 ripe bananas, mashed
1/2 c. sour or buttermilk
3/4 c. chopped nuts

Preparation

Hint:
Put 1 teaspoon vinegar in regular milk to make sour.