Peanut Butter Chocolate Chip Cake
["2 1/2 c. flour", "2 c. brown sugar", "1 tsp. baking powder", "1/2 tsp. baking soda", "1/2 c. (1 stick) margarine", "1 c. peanut butter", "1 c. milk", "3 eggs", "1 tsp. vanilla", "6 oz. chocolate chips"]
["Stir first 4 ingredients together.", "Mix in margarine and peanut butter at slow speed.", "Remove 1 cup of this mixture and set aside. To remaining mixture, add milk, eggs and vanilla.", "Mix 3 minutes at medium speed.", "Pour into 9 x 13-inch (or larger pan), ungreased, or lightly greased.", "Top with chocolate chips, then reserved crumb mixture.", "Bake at 350\u00b0 approximately 40 to 45 minutes (until set)."]
["flour", "brown sugar", "baking powder", "baking soda", "margarine", "peanut butter", "milk", "eggs", "vanilla", "chocolate chips"]