Preheat oven to 375°. Combine cookie mix, butter and eggs with an electric mixer in a large bowl; beat on low 30-45 seconds. Stir in remaining ingredients. Spread dough into a greased 8 x 8 baking pan. Bake 20-23 minutes or until a toothpick inserted in center comes out clean. Cool before cutting.
Always check the labels of ingredients in recipes to confirm they are gluten-free, and ensure your space is free from other possible sources of gluten. Since ingredient formulas can change and vary among other brands, Tastefully Simple cannot ensure that prepared recipes will be gluten-free.