Peanut Butter Brownies - cooking recipe

Ingredients

1/2 c. peanut butter
1/2 c. margarine
1 1/2 c. sugar
2 eggs
1 tsp. vanilla
1 c. self-rising flour

Preparation

Melt peanut butter and margarine in a double boiler or a bowl over hot water.
Add other ingredients.
Bake 25 to 30 minutes in a 350\u00b0 oven.