Instructions: Preheat oven to 325 degrees.

In a bowl, cream together the 1 cup butter and sugar. Add vanilla extract and flour; mix until smooth. Shape level teaspoons of dough into log shapes. Place on cookie sheet 2 inches apart. Bake for 17 to 19 minutes or until golden brown. Cool.

Microwave chocolate chips and the 1 tablespoon butter for 2 minutes; stir until smooth. Spread chocolate on flat side of cookie and top with another cookie.

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