Potato Puff Casserole
A creamy, cheesy potato casserole with green pepper and onion, perfect for family dinners or gatherings, offering comforting flavors and a light, fluffy texture.
Ingredients
Instructions
- Beat mashed potatoes, salt, pepper, and egg yolks together in a large bowl.
- Add celery salt, shredded Cheddar cheese, chopped onion, and chopped green pepper to the mixture.
- Beat egg whites to soft peaks and gently fold into the potato mixture.
- Spoon the mixture lightly into a greased 7 x 13-inch baking dish.
- Bake in a preheated oven at 375°F for 25 minutes until golden and heated through.
Tips & Substitutions
For a creamier texture, consider adding a splash of milk or cream to the mashed potatoes before mixing. You can substitute the Cheddar cheese with Gruyère for a different flavor profile. If you prefer a bit of spice, add diced jalapeños or a dash of hot sauce. This dish is great for using leftover mashed potatoes, making it a perfect option for utilizing leftovers from your Thanksgiving feast.
Serving Suggestions
This Potato Puff Casserole pairs beautifully with a simple green salad or steamed vegetables for a light meal. It can also be served as a side dish alongside roast chicken or grilled steak. For a heartier option, consider serving it with a creamy mushroom sauce or a side of American recipes like meatloaf or fried chicken to complement the flavors.
Storage & Reheating
To store leftovers, allow the casserole to cool completely, then cover it tightly with plastic wrap or aluminum foil and refrigerate for up to 3 days. To reheat, place it in a preheated oven at 350°F for about 15-20 minutes until heated through. You can also microwave individual portions, but the oven helps maintain the crispy texture.
Nutrition & Diet Analysis (per serving)
Each serving of Potato Puff Casserole contains roughly 941 calories, with 21g protein, 113g carbohydrates, and 45g fat. It is an excellent source of vitamin C (78% of the Daily Value), potassium (64% of the Daily Value), and protein (42% of the Daily Value), and a good source of vitamin A and iron. Note that it is relatively high in sodium, at 619mg per serving (27% 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 make this casserole ahead of time?
Yes, you can prepare the casserole a day in advance. Assemble it in the baking dish, cover it tightly, and refrigerate. When ready to bake, allow it to sit at room temperature for about 30 minutes before baking to ensure even cooking.
Can I freeze Potato Puff Casserole?
Yes, this casserole can be frozen before baking. Wrap it tightly in plastic wrap and aluminum foil to prevent freezer burn. When ready to bake, thaw it in the refrigerator overnight and then bake as directed. Note that the texture may change slightly after freezing.
What can I use instead of egg whites?
If you need an egg white substitute, you can use aquafaba (the liquid from canned chickpeas) as a vegan option. Use 3 tablespoons of aquafaba to replace one egg white. Beat it until frothy to help achieve a similar lightness in the casserole.
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).