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 13 ingredients. The key ingredients include: 5 1/3 c. Potato Buds, 5 1/3 c. water, 1 1/3 c. milk, 2 to 3 Tbsp. butter, and more.

Is Mashed Potato Casserole suitable as soups & stews?

Yes, Mashed Potato Casserole falls under the Soups & Stews 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: 5 1/3 c. Potato Buds; 5 1/3 c. water; 1 1/3 c. milk; 2 to 3 Tbsp. butter; 1 tsp. salt; 1 (3 oz.) pkg. cream cheese; 1/2 c. sour cream; 1/2 can cream of chicken soup; 1/2 tsp. salt; 1 tsp. onion salt; 1/8 tsp. pepper; 2 Tbsp. butter; 1 c. grated sharp cheddar cheese

Try this homemade Mashed Potato Casserole recipe the whole family will love. Made with water, milk, butter and salt. Easy step-by-step instructions incl…

This Mashed Potato Casserole relies on simple, everyday ingredients such as potato buds, water, milk and to 3 tbsp. butter. It comes together quickly and makes 4 servings, at about 1172 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.

Updated Jun 30, 2026

Serves 4 Soups & Stews

1172

kcal

Calories

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.

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Mashed Potato Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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