Chocolate Peanut Butter Squares

1 cup butter

4 cups confectioners sugar

2 cups peanut butter

1 ½ cups graham cracker crumbs

½ cup butter

1 cup semisweet chocolate chips

Melt 1 cup butter or margarine over low heat. Remove from heat and stir in confectioners sugar, peanut butter and graham cracker crumbs. Spread mixture in a jelly roll pan. Pat down evenly.

To Make Topping: Melt together 1/2 cup butter or margarine with 1 cup chocolate chips. Spread this mixture over peanut butter mixture. Refrigerate 1/2 hour. Cut into squares.