Our Precision Engineered Protein Flapjacks are a great tasting high protein snack with rolled oats. Our premium blend ensures each bar contains 18 grams of protein which assists in the maintenance of lean muscle mass and 40 grams of carbohydrates. Our Precision Engineered Protein Flapjacks are a great tasting high protein snack with rolled oats. Our premium blend ensures each bar contains 18 grams of protein which assists in the maintenance of lean muscle mass and 40 grams of carbohydrates.