This Low Calorie Protein Caramel Sauce is just 45 calories per serving (1/8 cup) and is low sugar. If you are looking for a protein boost, have the entire recipe (the entire batch) and an apple. The calories will be under 300 calories and you'll get over 22g of protein. Special Tip: The flavors are very sweet at first, let it sit a bit. I promise they mellow.