Peanut Butter Cupcakes
["1 1/4 c. flour", "1 1/2 tsp. baking powder", "1/2 c. smooth peanut butter", "1/2 stick soft butter", "1/2 c. packed brown sugar", "1 large egg", "1/2 tsp. vanilla", "2/3 c. milk"]
["Whisk together flour and baking powder; set aside.", "Beat together peanut butter, butter and brown sugar.", "Add egg and vanilla; beat until fluffy.", "Add flour mixture and milk alternatively, beginning and ending with flour, until just combined.", "Divide batter among lined muffin cups (each cup about 2/3 full).", "Bake at 350 degrees for 18-20 minutes.", "Let cool and frost with Milk Chocolate Icing."]
["flour", "baking powder", "smooth peanut butter", "butter", "brown sugar", "egg", "vanilla", "milk"]