Bars
1 box Betty Crocker* Gluten Free Devil's Food Cake Mix
1/3 cup (75 mL) vegetable oil
2 tbsp (25 mL) water
1 egg
Frosting
1 container Betty Crocker* Whipped Cream Cheese Frosting
1/4 tsp (1 mL) mint extract
3 to 4 drops green food colour
Glaze
1 oz (1 square) unsweetened baking chocolate (about 1/3 cup/75 mL unsweetened chocolate chips)
1 tbsp (15 mL) butter