Toffee Bars

Ingredients : 2 cups Make Ahead Cookie Mix 1 cup packed brown sugar 5 tablespoons butter 1 teaspoon vanilla extract 1 egg 1 cup semisweet chocolate chips ½ cup chopped walnuts Methods : Preheat oven to 350 degrees F (180 degrees C). Grease a 9 x 13 inch pan. Combine...