Frosted Peanut Butter Cake Squares

Name: Frosted Peanut Butter Cake Squares
Yield: 14.0
Ingredients: 30.0 Peanut Butter; 0.3333 cup Butter Or Margarine; 0.5 cup Peanut Butter; 0.3333 cup Sugar; 0.3333 cup Packed Light Brown Sugar; 0.5 cup Milk; 2.0 Eggs; 1.0 teaspoon Vanilla; 1.0 cup Flour; 1.0 teaspoon Baking Soda; 0.25 teaspoon Salt Chocolate Peanut Butter Topping; 0.5 cup Semisweet Chocolate Chips; 0.3333 cup Creamy Peanut Butter; 2.0 tablespoon Butter Or Margarine; 0.25 cup Powdered Sugar