Melt chocolate chips and 2 tablespoons margarine in top of double boiler or microwave oven; add Eagle Brand milk. Set aside. Mix remaining ingredients together. Put 1/2 of peanut butter mixture in bottom of greased and floured cake pan; pour chocolate mixture on top, then add second half of peanut butter mixture on top of chocolate. Bake at 350 ° for approximately 1/2 hour. This recipe comes from "Our Favorite Recipes" Our Lady of Peace Church, Mount Olivet, West Virginia.