Try this homemade 4 Ingredient Protein Bars recipe the whole family will love. Made with protein, natural-style peanut butter, oats and milk. Easy step-…
This 4 Ingredient Protein Bars relies on simple, everyday ingredients such as scoops whey protein, natural-style peanut butter, oats and skim milk or 1/2 cup water. It comes together quickly and makes 4 servings, at about 296 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026