18-ounce roll refrigerated sugar cookie dough, sliced 1/4-inch thin
14-ounce package chocolate mint wafers
1 egg, beaten
1 tablespoon coarsely chopped walnuts or pecans, or enough to cover top of cookies
Preheat oven to 375 degrees F.
Slightly grease a cookie sheet. Place slices of sugar cookies on sheet, about 2 to 3 inches apart. Top each with a chocolate wafer. Cover wafer with another slice of cookie dough. Brush dough with a beaten egg. Press nuts into top of dough. Bake for about 10 minutes.