Preheat oven to 350°F degrees. Place the square FLEXIPAT on a Perforated Baking Sheet, set aside.
Cream butter, brown sugar and sugar until light and fluffy. Beat in egg and vanilla until fully incorporated. Stir in flour, baking soda, and salt until combined. Fold in caramel bits until evenly distributed. Spread evenly un the bottom of the square FLEXIPAT.
Bake for 15-17 minutes or until baked through. Once removed from the oven, sprinkle the bonSalt evenly across the surface. Allow to cool completely and slice into squares.