Base and Topping:
1 package yellow cake mix
1 cup creamy peanut butter
1/2 cup butter, melted
2 eggs
Filling:
1 cup semi-sweet chocolate chips
1-1/3 cups (14 oz.) sweetened condensed milk
2 tablespoons butter
Coconut Pecan Frosting Mix Substitute:
1 cup sweetened, flake coconut
3/4 cup brown sugar, firmly packed
1/2 cup all-purpose flour
1/2 cup chopped pecans
3 tablespoons butter
Base and Topping: In large mixing 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 13×9-inch baking pan. Reserve remaining dough for topping.
Filling: In heavy saucepan, combine chocolate pieces, sweetened condensed milk, and butter. Melt over low heat, stirring constantly until smooth. Remove from heat.
Frosting Mix: In medium bowl, combine coconut, brown sugar, flour, and pecans. Mix well. Using fork, cut in butter. Stir into filling.
Spread filling over dough in pan (base). Crumble reserved dough (topping) over filling.
Bake at 350 degrees F for 20-25 minutes until light golden brown. Cool completely. Cut into bars. (Makes about 36 bars.)