Try this homemade Mashed Potato Casserole recipe the whole family will love. Made with potatoes, cream cheese, sour cream and green onions. Easy step-by…
This Mashed Potato Casserole relies on simple, everyday ingredients such as instant mashed potatoes, (8 oz.) pkg. cream cheese, small carton sour cream and bunch green onions, chopped. It comes together quickly and makes 4 servings, at about 271 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