Preheat oven to 375 degrees. Blend together until smooth:

3/4 c. peanut butter
1 (14 oz.) can sweetened condensed milk

2 c. Bisquick
1 tsp. vanilla

Shape into small balls. Roll in sugar. Place on ungreased cookie sheet. Bake 6 to 8 minutes. Remove from oven and push a chocolate "Hershey's Kiss" into the center of each cookie. (Makes 3 to 5 dozen.)