1/2 c. peanut butter
1/3 c. peanut oil
1/2 c. brown sugar
2 eggs
1 c. milk plus 1 tbsp. vinegar
2 c. sifted flour
1 tsp. baking powder
1 tsp. baking soda
1/2 tsp. salt

Cream peanut butter and oil. Add sugar; mix. Add eggs one at a time, beating until light and creamy. Add milk/vinegar. Sift flour, powder, soda and salt over mixture. Mix until flour is blended in, then beat with spoon until light and fluffy.

Bake 375 degrees for 20 minutes. Cool. Frost with peanut butter frosting.