Onion Casserole
Onion casserole is a comforting dish that brings together the rich flavors of caramelized onions and creamy mushroom soup, topped with crunchy almonds for texture. Perfect for family gatherings or cozy dinners, this dish is a delightful way to enjoy the humble onion in a hearty and satisfying meal.
Ingredients
Instructions
- Place sliced onions in the bottom of a casserole dish.
- Spread mushroom soup over the onions.
- Sprinkle almonds on top.
- Pour melted butter over the mixture.
- Bake uncovered at 350 degrees for 1 hour.
Tips & Substitutions
For added flavor, consider caramelizing the onions before placing them in the casserole dish. You can also substitute the almonds with chopped walnuts or pecans if you prefer a different nut. If you're looking for a creamier texture, adding a dollop of sour cream to the mushroom soup can enhance the dish. This onion casserole pairs beautifully with a fresh green salad for a balanced meal.
Serving Suggestions
This onion casserole makes a fantastic side dish for roasted chicken or grilled fish. For a vegetarian option, it can be served alongside a hearty grain dish, like quinoa or farro. Consider pairing it with a light salad or even the Warm Apple Crisp for a comforting meal that balances savory and sweet flavors.
Storage & Reheating
To store leftovers, let the casserole cool completely before transferring it to an airtight container. It can be kept in the refrigerator for up to 3 days. When reheating, place it in the oven at 350 degrees Fahrenheit for about 20 minutes or until heated through, ensuring it stays crisp on top.
Nutrition & Diet Analysis (per serving)
Each serving of Onion Casserole contains roughly 1558 calories, with 35g protein, 38g carbohydrates, and 148g fat. It is an excellent source of dietary fiber (72% of the Daily Value), protein (69% of the Daily Value), and iron (34% of the Daily Value). It also contributes 20g of dietary fiber toward your daily target.
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 use fresh mushrooms instead of mushroom soup?
Yes, you can use fresh mushrooms sautéed with garlic and cream as a substitute for the canned mushroom soup. This will give a richer flavor and texture. Just ensure you adjust the seasoning accordingly, as fresh mushrooms might require additional salt and spices.
Is it possible to make this dish ahead of time?
Absolutely! You can prepare the entire casserole a day in advance and refrigerate it before baking. Just cover it tightly with foil. When you're ready to bake, allow it to sit at room temperature for about 30 minutes before placing it in the oven to ensure even cooking.
What can I serve with onion casserole?
Onion casserole pairs well with a variety of dishes. Consider serving it alongside roasted meats, like beef or chicken, or even grilled vegetables for a vegetarian meal. A fresh green salad can also complement the richness of the casserole nicely.
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).