1 can sweetened condensed milk
3/4 to 1 c. peanut butter
1 egg
1 tsp. vanilla
2 c. Bisquick mix
Sugar

Preheat oven to 350 degrees. In large mixing bowl, beat sweetened condensed milk, peanut butter, egg and vanilla until smooth. Add Bisquick; mix well. Chill 1 hour. Shape into 1 inch balls. Roll in sugar. Place 2 inches apart on ungreased baking sheet. Flatten with fork. Bake 6 to 8 minutes.