Mashed Potato Casserole(Makes 12 To 15 Servings)

Prep: 20 min Serves: 15 Cuisine: American

Creamy mashed potato casserole with garlic, sour cream, and butter offers a comforting side perfect for family dinners or holiday gatherings, blending rich flavors and smooth texture.

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Ingredients

  • 5 lb. potatoes
  • 8 oz. cream cheese
  • 1 c. sour cream
  • 2 tsp. garlic salt
  • 1/2 tsp. pepper
  • 1/4 c. butter

Instructions

  1. Boil potatoes until soft.
  2. In a mixer, beat cream cheese and sour cream until smooth.
  3. Gradually add the boiled potatoes and continue beating until fully incorporated and smooth.
  4. Beat in garlic salt and pepper.
  5. Turn the mixture into a buttered shallow 3 or 4-quart casserole dish.
  6. Dot the top with butter.
  7. Cover with a lid or foil and bake until heated through.

Tips & Substitutions

For an even creamier texture, consider using half-and-half instead of sour cream. If you want to add a little extra flavor, stir in some grated cheese, such as cheddar or Parmesan, before baking. Make sure to mash the potatoes well to avoid lumps, which can affect the overall texture of the casserole. You can also add herbs like chives or parsley for a fresh touch.

Serving Suggestions

This mashed potato casserole is perfect as a side dish for holiday meals or gatherings. It pairs beautifully with roasted meats or vegetarian dishes for a hearty option. Consider serving it alongside a fresh salad or some sautéed vegetables for a balanced meal. For dessert, enjoy a slice of Pumpkin Pie(Kelley Jo'S Great, Great, Great Grandmother Eldridge) to complete the feast.

Storage & Reheating

Store any leftover mashed potato casserole in an airtight container in the refrigerator for up to 4 days. To reheat, place it in a preheated oven at 350°F (175°C) for about 20-30 minutes, covered with foil to prevent drying out. You can also microwave individual portions, adding a splash of milk to keep it moist.

Nutrition & Diet Analysis (per serving)

Each serving of Mashed Potato Casserole(Makes 12 To 15 Servings) contains roughly 701 calories, with 10g protein, 94g carbohydrates, and 32g fat. It is an excellent source of vitamin C (53% of the Daily Value), potassium (51% of the Daily Value), and dietary fiber (31% of the Daily Value), and a good source of iron. It also contributes 9g of dietary fiber toward your daily target.

701 kcal 35% DV
Protein Fat Carbs

Macronutrients

Protein 10.2g 20% DV
Total Fat 31.9g 41% DV
Carbs 93.6g 34% DV
Fiber 8.7g 31% DV
Sugar 0.7g 1% DV

Electrolytes

Sodium 34.8mg 2% DV
Potassium 2386mg 51% DV
Cholesterol 13.5mg 5% DV

Vitamins & Minerals

Vitamin A 14.3mcg 2% DV
Vitamin C 47.5mg 53% DV
Calcium 49.3mg 4% DV
Iron 1.9mg 10% DV
Diet fit High-fiber
Contains Milk

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I prepare the casserole ahead of time?

Yes, you can prepare the mashed potato casserole a day in advance. Simply follow the recipe until just before baking, cover it tightly with foil, and store it in the refrigerator. When you're ready to bake, remove it from the fridge and allow it to sit at room temperature for about 30 minutes before baking as directed.

What can I substitute for cream cheese?

If you're looking for a lighter option, you can use Greek yogurt or cottage cheese as a substitute for cream cheese. Both will still provide creaminess, but keep in mind that the flavor profile may change slightly. You can also use a non-dairy cream cheese alternative if you're following a vegan or dairy-free diet.

Can I freeze mashed potato casserole?

Yes, you can freeze the mashed potato casserole! After preparing it, allow it to cool completely, then transfer it to a freezer-safe container. It can be frozen for up to 3 months. When ready to eat, thaw it in the refrigerator overnight and reheat as directed. Keep in mind that the texture might change slightly after freezing.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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