Frozen Mashed Potato Casserole
Creamy frozen mashed potato casserole combines buttery, cheesy, and tangy flavors, perfect for comforting family dinners or holiday gatherings with minimal effort.
Ingredients
Instructions
- Put water, butter, and salt in a pan and bring to a boil.
- Stir in instant potatoes.
- Add cream cheese and sour cream.
- Mix with a mixer until smooth.
- Grease a 9 x 13-inch pan and a 9 x 9-inch pan.
- Fill the pans with the potato mixture.
- Freeze if you want to use later, or bake at 350°F for 30 minutes.
- Sprinkle Cheddar cheese on top and continue baking until cheese melts.
- Serve hot.
Tips & Substitutions
For a creamier texture, consider using half-and-half instead of sour cream. You can also add garlic powder or herbs like chives for extra flavor. If you prefer a lighter option, substitute Greek yogurt for the cream cheese. This dish is great for meal prep; just make sure to mix thoroughly after thawing to maintain consistency.
Serving Suggestions
Serve this casserole as a hearty side with roasted meats or as a comforting main dish paired with a fresh salad, like Berry Salad, to balance the richness. It can also be a delightful addition to potlucks or family gatherings. For a complete meal, consider serving it alongside Cheese Balls With Ripe Olives.
Storage & Reheating
Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place in a microwave-safe dish and cover with a damp paper towel, heating in 30-second intervals until warm. For a crispier top, reheat in the oven at 350°F until heated through.
Nutrition & Diet Analysis (per serving)
Each serving of Frozen Mashed Potato Casserole contains roughly 4013 calories, with 56g protein, 254g carbohydrates, and 311g fat. It is an excellent source of vitamin A (144% of the Daily Value), protein (111% of the Daily Value), and potassium (106% of the Daily Value), and a good source of vitamin D. Note that it is relatively high in sodium, at 2400mg per serving (104% of the Daily Value).
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 this casserole ahead of time?
Yes, you can prepare the casserole ahead of time and freeze it. Just make sure to let it cool completely before covering it tightly with plastic wrap and aluminum foil. When ready to bake, simply remove from the freezer and follow the baking instructions.
Can I use fresh potatoes instead of instant potatoes?
While instant potatoes simplify the process, you can use fresh potatoes. Boil, mash, and prepare them the same way, adjusting the liquid and butter to achieve your desired consistency. Keep in mind that this may change the texture slightly.
What type of cheese works best for topping?
Cheddar cheese is a classic choice, but feel free to experiment with other cheeses like Monterey Jack or a blend for added flavor. Just make sure to use a cheese that melts well for that gooey topping.
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).