Peanut Butter Chocolate Chip Bars : )

1 box yellow cake mix
1/3 c. water
2 eggs
1/4 c. margarine
1 c. crunchy peanut butter
1 c. (1/2 pkg) chocolate chips

Preheat oven 350. Grease and flour 15x11 inch pan. Blend half the cake mix, water, margarine, eggs, and peanut butter. Mix in remaining cake mix (batter will be stiff). Stir in chocolate chips. Spread in prepared pan. Bake 15-20 minutes. Cut into bars. Makes about 30.