Try this homemade Mary'S Scalloped Potatoes recipe the whole family will love. Made with frozen potatoes, sour cream, onion and Cheddar cheese. Easy ste…
This Mary'S Scalloped Potatoes relies on simple, everyday ingredients such as large pkg. frozen potatoes, (16 oz.) carton sour cream, medium onion, chopped fine and large bag cheddar cheese. It comes together quickly and makes 4 servings, at about 379 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