Easy Peanut Butter Cookies by EAGLE BRAND(R) - Printer Friendly - Allrecipes.com

In large bowl, beat sweetened condensed milk, peanut butter, egg and vanilla until smooth. Add biscuit mix; mix well. Chill at least 1 hour. Preheat oven to 350 degrees F. Shape dough into 1-inch balls. Roll in sugar. Place 2 inches apart on ungreased baking sheets. Flatten with fork in criss-cross pattern. Bake 6 to 8 minutes or until lightly browned (DO NOT OVERBAKE). Cool. Store tightly covered at room temperature.