Heat oven to 350°F for shiny metal pan or 325°F for dark or nonstick pan. Coat bottom only of 11x7 inch pan (for thick brownies) with gluten-free cooking spray.
In medium bowl, stir brownie ingredients until well blended. Evenly spread the batter in pan.
In another medium bowl stir cookie ingredients until soft dough forms. Drop dough by rounded tablespoonfuls onto brownie batter, making sure to press dough down into the batter.
Bake 23 to 26 minutes or until cookie portion is golden brown. Cool completely, about 1 hour. For 12 large bars, cut into 3 rows by 4 rows.
Top with a spoonful of Betty Crocker Whipped Cream Frosting and two Jelly Belly Raspberry and Blackberry gluten-free gummies.