Try this homemade Slender Potatoes Au Gratin recipe the whole family will love. Made with potatoes, onion, water and milk. Easy step-by-step instruction…
This Slender Potatoes Au Gratin relies on simple, everyday ingredients such as medium potatoes, sliced thin, chopped onion, water and evaporated skim milk. It comes together quickly and makes 4 servings, at about 188 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