Peanut Butter Cup Cookies

Ingredients
1 3/4 cups all-purpose flour
1/2 teaspoon salt
1 teaspoon baking soda
1/2 cup butter, softened
1/2 cup white sugar
1/2 cup peanut butter
1/2 cup packed brown sugar
1 egg, beaten
1 teaspoon vanilla extract
2 tablespoons milk
40 miniature chocolate covered peanut butter cups, unwrapped

Directions 
1. Preheat oven to 375 degrees F (190 degrees C). 
2. Freeze Peanut Butter Cups.
3. Sift together the flour, salt and baking soda; set aside. 
4. Cream together the butter, sugar, peanut butter and brown sugar until fluffy. 
5. Beat in the egg, vanilla and milk. 
6. Add the flour mixture; mix well. 
7. Shape into 40 balls and place each into an ungreased mini muffin pan. 
8. Bake at 375 degrees for about 8 minutes. 
9. Remove from oven and immediately press a mini peanut butter cup into each ball.
10. Cool and carefully remove from pan.