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 Cheesy Mashed Potato Casserole?

You need 10 ingredients. The key ingredients include: 5 medium potatoes, peeled and quartered (I like to use Yukon Gold Potatoes), 1 (3 ounce) package light cream cheese, 1/2 cup sour cream, 1/4 cup green onion, minced, and more.

Is Cheesy Mashed Potato Casserole suitable as general?

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

How do I store leftover Cheesy Mashed Potato Casserole?

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

Cheesy Mashed Potato Casserole Recipe

Name: Cheesy Mashed Potato Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 5 medium potatoes, peeled and quartered (I like to use Yukon Gold Potatoes); 1 (3 ounce) package light cream cheese; 1/2 cup sour cream; 1/4 cup green onion, minced; 2 tablespoons melted butter; 1/2 teaspoon salt; 1/4 teaspoon garlic powder; 1/8 teaspoon pepper; 1 tablespoon butter; 1 dash paprika

Try this homemade Cheesy Mashed Potato Casserole recipe the whole family will love. Made with potatoes, light cream cheese, sour cream and green onion. …

This Cheesy Mashed Potato Casserole relies on simple, everyday ingredients such as sour cream, green onion, minced, melted butter and salt. It comes together quickly and makes 4 servings, at about 373 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

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
Coconut cream is a reliable plant-based alternative to dairy cream.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Cheesy Mashed Potato Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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