Hershey Kiss Cookies

3/4 c. peanut butter
1 can condensed milk
2 c. Bisquick
1 tsp. vanilla
1 pkg. Hershey Kisses

Mix together peanut butter and milk. Add Bisquick and vanilla. Mix all together well. Shape into small balls, and place them on a prepared cookie sheet. Bake for 6 to 8 minutes at 375 degrees. Put a Hershey Kiss on top of each cookie as soon as you take the cookies out of the oven.