Peanut Butter Squares
["1 1/2 c. all-purpose flour", "1 1/2 tsp. baking powder", "1/2 tsp. salt", "1/2 c. peanut butter", "1/3 c. shortening", "1 1/2 c. packed brown sugar", "2 eggs", "1 tsp. vanilla", "1/4 c. milk", "1/3 c. chopped peanuts (topping)"]
["Grease a 15 x 10 x 1-inch baking pan.", "Stir together flour, baking powder and salt.", "In mixer bowl, beat peanut butter and shortening on medium speed for 30 seconds.", "Add brown sugar and beat until fluffy.", "Add eggs and vanilla; beat well.", "Add dry ingredients and milk alternately to beaten mixture and beat until well blended.", "Spread batter in prepared pan.", "Bake in 350\u00b0 oven for 20 minutes or until done.", "Cool and frost with Peanut Butter Frosting.", "Sprinkle with chopped peanuts."]
["flour", "baking powder", "salt", "peanut butter", "shortening", "brown sugar", "eggs", "vanilla", "milk", "peanuts"]