Polka-Dot Cookies
["1 c. margarine", "1 c. peanut butter", "1 c. granulated sugar", "1 c. light brown sugar", "2 eggs", "2 c. flour", "1 tsp. baking soda", "2 c. plain or peanut M&M's"]
["Preheat oven to 350\u00b0.", "Beat together margarine, peanut butter and sugars until light and fluffy.", "Blend in eggs.", "Add combined flour and baking soda; mix well.", "Stir in candies."]
["margarine", "peanut butter", "sugar", "light brown sugar", "eggs", "flour", "baking soda"]