Twix Brownies Ingredients Crust Layer 2 cups flour 1/2 cup powdered sugar 1/2 tsp salt 1 3/4 squares (14 tbs or7 oz) butter melted Brownie Layer 1 box of brownie mix or your favorite homemade brownies. Ingredients called for in directions on back of box 1/4 cup hot fudge ice cream topping Caramel Layer