Peanut Butter Brownies - cooking recipe

Ingredients

1/2 c. peanut butter
1/3 c. margarine
1 c. sugar
1/4 c. brown sugar
1/2 tsp. vanilla
2 eggs
1 c. flour
1 tsp. baking powder
1/4 tsp. salt
1 small pkg. chocolate chips

Preparation

Beat first 2 ingredients together until blended.
Add eggs (beat).
Gradually add sugars; beat until fluffy.
Add dry ingredients and mix well.
Stir in chocolate chips and vanilla. Bake at 350\u00b0 for 30 to 35 minutes in a 9-inch pan; for a 13 x 9-inch pan, double the recipe and bake for 45 to 50 minutes.