1 pkg. yellow cake mix
1 c. peanut butter
1/2 c. butter, melted
2 eggs

FILLING:

1 c. chocolate chips
1 3/4 c. sweetened condensed milk
2 tbsp. butter
1 pkg. Pillsbury coconut pecan frosting mix

In large bowl, combine cake mix, peanut butter, butter and eggs. By hand, stir until dough holds together. Press 2/3 of dough into bottom of ungreased 13 x 9 inch pan. Reserve remaining dough for top.

Filling: In saucepan, combine chips, milk and butter. Melt over low heat, stirring, until smooth. Remove from heat and stir in frosting mix. Spread over dough in pan. Crumble reserved dough over top of filling. Bake at 350 degrees for 20-25 minutes. Cool and cut.