How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Mashed Potato Casserole?

You need 6 ingredients. The key ingredients include: 12 medium potatoes, mashed or 2 envelopes instant mashed potatoes or like amount of leftovers, 1/2 stick margarine, 1 large pkg. Philadelphia cream cheese, 1 small container sour cream, and more.

Is Mashed Potato Casserole suitable as general?

Yes, Mashed Potato Casserole falls under the General category and is a great choice for this type of meal.

How do I store leftover Mashed Potato Casserole?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Mashed Potato Casserole Recipe

Name: Mashed Potato Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 12 medium potatoes, mashed or 2 envelopes instant mashed potatoes or like amount of leftovers; 1/2 stick margarine; 1 large pkg. Philadelphia cream cheese; 1 small container sour cream; 1 medium minced onion; 1/2 stick margarine

Try this homemade Mashed Potato Casserole recipe the whole family will love. Made with potatoes, margarine, Philadelphia cream cheese and sour cream. Ea…

This Mashed Potato Casserole relies on simple, everyday ingredients such as margarine, small container sour cream and medium minced onion. It comes together quickly and makes 4 servings, at about 307 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

Serves 4 General

Servings: persons

12 medium potatoes, mashed or 2 envelopes instant mashed potatoes or like amount of leftovers
1/2 stick margarine
1 large pkg. Philadelphia cream cheese
1 small container sour cream
1 medium minced onion
1/2 stick margarine

Frequently Asked Questions

Quick Info

Servings
4 servings
Calories
307 kcal
Category
General

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