Ingredients
6 tablespoons butter, cubed1-1/2 cups packed brown sugar2 tablespoons water2 cups semisweet chocolate chips2 large eggs, room temperature1 teaspoon vanilla extract2-1/2 cups all-purpose flour1-1/2 teaspoons baking soda1 teaspoon saltFilling:2-1/2 cups confectioners’ sugar1/4 cup butter, softened3 tablespoons whole milk1/2 teaspoon peppermint extractDash salt3 drops green food coloring, optional
Preparation
Preheat oven to 350°. In a small saucepan, combine the butter, brown sugar, water and chocolate chips. Cook and stir over low heat until chips are melted. Cool. Beat in eggs and vanilla. Combine the flour, baking soda and salt; gradually add to chocolate mixture.
Drop by rounded teaspoonfuls 2 in. apart onto ungreased baking sheets. Bake until firm, 10-12 minutes. Remove to wire racks to cool.
In a large bowl, combine confectioners’ sugar, butter, milk, extract, salt and, if desired, food coloring until smooth. Spread on the bottoms of half of the cookies; top with remaining cookies.