Pucker up, baby. This ONE Lemon Cake protein bar is a great weight loss snack that's a little sweet, a little tart, and oh so right. Itís a fruity, zesty zinger of a treat that also packs a wallop of protein: 20 grams, with just 1 gram of sugar. So, if youíre putting in extra time at the gym or a few extra hours at work, donít get sour. Get lemon cake in this high protein low carb snack.