Butterscotch Toffee Bars

Preheat oven to 350 degrees. Grease a 9x9-inch square pan.

In a large bowl, mix together butter, egg, and cookie mix according to package directions. Press dough into prepared pan. Sprinkle butterscotch morsels and toffee bits over dough.

Bake for 25 minutes or until edges are golden. Cool completely before slicing into bars.