Girl Scout Do-si-dos

Copycat recipe.

makes about 1 dozen

cookies
1/2 cup butter, room temperature
1 cup packed light brown sugar
1 egg
2 teaspoons vanilla
1/2 cup creamy peanut butter
1 cup all-purpose flour
1/2 teaspoon salt
1/2 teaspoon baking soda
1 cup quick cooking oats
filling
1/2 cup creamy peanut butter
1/4 cup butter, room temperature
1-1/2 cups powdered sugar
1 tablespoon milk

Preheat oven to 350°F. Lightly grease a cookie sheet. Cream butter and sugar until light and fluffy. Beat in egg, vanilla and peanut butter until smooth. Mix in salt, baking soda, and flour until just combined. Stir in oats. Drop dough onto cookie sheets about 2 inches apart. Bake 10-12 minutes or until edges turn a light golden color. Transfer cookies to wire rack to cool completely.
Make the filling by beating peanut butter and butter until creamy. Beat in powdered sugar and milk until mixture is smooth and fluffy. Spread some of the filling onto the bottom of half the cookies. Top with remaining cookies.