Peanut Butter Bars - cooking recipe

Ingredients

1 yellow cake mix
1 c. peanut butter
1 egg
1/2 c. margarine

Preparation

Mix above ingredients and press 2/3 in a 13 x 9-inch pan. Melt 1 can condensed milk and 1 cup chocolate chips together over low heat (stir well).
Pour over top and sprinkle remaining 1/3 over top.
Bake at 350\u00b0 for 15 to 20 minutes.