Peanut Butter Kiss Cookies

1/2 cup butter-flavored shortening
1/2 cup peanut butter
1/2 cup sugar
1/2 cup packed brown sugar
2 Tbl. sour cream
1 egg
1 tsp. vanilla
1 tsp. baking soda
1/2 tsp. salt
1-3/4 cups flour

Additional sugar (to roll dough balls in)
Chocolate chips or Hershey's Kisses to put on top

Mix sugars with shortening and peanut butter.  Add egg, sour cream, and vanilla.  Mix in dry ingredients.  Form into balls and roll in sugar. Flatten slightly.  Bake at 375 degrees for 10-11 min.  When hot out of the oven, press a Hershey's Kiss or a few chocolate chips into the top of the cookie.  Allow to sit for a few minutes.