Peanut Blossoms

From the kitchen of Kathryn Mills - Augusta, Georgia

1 1/3 cups flour
1 teaspoon baking soda
1/2 teaspoon salt
1/2 cup granulated sugar
1/2 cup firmly packed brown sugar
1/2 cup shortening
1/2 cup smooth peanut butter
1 egg
2 tablespoons milk
1 teaspoon vanilla extract
48 Hershey