Try this homemade Potato, Mushroom and Sour Cream Casserole recipe the whole family will love. Made with russet potatoes, butter, portobello mushrooms a…
This Potato, Mushroom and Sour Cream Casserole relies on simple, everyday ingredients such as black pepper, divided, milk, warmed and chopped fresh chives. It comes together quickly and makes 4 servings, at about 426 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