Golden Baked Onion Casserole
Golden Baked Onion Casserole features tender sautéed onions layered with melted Swiss cheese and topped with toasted bread slices, creating a comforting, cheesy dish perfect for family gatherings.
Ingredients
Instructions
- Preheat oven to 350°F (175°C).
- Melt 1 stick of margarine in a large pot. Add all sliced onions and sauté until onions are soft and transparent. Do not overcook.
- Using a slotted spoon, transfer the onions to a 9 x 13 x 2-inch baking dish.
- Mix together the cream of chicken soup, milk, and pepper until smooth. Pour over the onions.
- Top with grated Swiss cheese.
- Melt the remaining stick of margarine.
- Dip one side of each bread slice into the melted margarine.
- Arrange the bread slices on top of the casserole, buttered side up, overlapping to cover completely.
- Bake uncovered for 30 to 40 minutes or until the bread is golden brown.
- Serve hot.
Tips & Substitutions
For enhanced flavor, consider adding a pinch of garlic powder or using a mix of cheeses like Gruyère for a more complex taste. If you prefer a lighter option, substitute the cream of chicken soup with a homemade white sauce. You can also replace margarine with butter for a richer flavor. Ensure not to overcook the onions to maintain their sweetness in the dish.
Serving Suggestions
This Golden Baked Onion Casserole pairs beautifully with a fresh green salad or steamed vegetables for a complete meal. It also goes well as a side dish with grilled meats or roasted chicken, making it a versatile choice for family dinners. For more comforting ideas, browse more American recipes that highlight hearty flavors.
Storage & Reheating
Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place the casserole in a preheated oven at 350°F (175°C) for about 15-20 minutes, or until heated through. You can also microwave individual portions, but the bread topping may lose its crispness.
Nutrition & Diet Analysis (per serving)
Each serving of Golden Baked Onion Casserole contains roughly 431 calories, with 11g protein, 56g carbohydrates, and 19g fat. It is an excellent source of vitamin C (52% of the Daily Value), protein (22% of the Daily Value), and calcium (22% of the Daily Value), and a good source of iron. Note that it is relatively high in sodium, at 827mg per serving (36% 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 use a different type of cheese?
Yes, you can substitute Swiss cheese with other varieties like Cheddar or Monterey Jack. Each cheese will give a different flavor profile, so choose one that complements your taste preferences. Mixing cheeses can also add depth to the dish.
Is there a vegetarian option for this casserole?
Certainly! To make this dish vegetarian, replace the cream of chicken soup with a vegetable-based soup or a homemade cream sauce. Additionally, use plant-based margarine or butter alternatives. This will maintain the creamy texture while keeping it meat-free.
Can I prepare this casserole ahead of time?
Absolutely! You can assemble the casserole a day in advance, cover it tightly, and refrigerate it. When ready to bake, allow it to sit at room temperature for about 30 minutes before placing it in the oven. This makes it a great option for meal prep or entertaining.
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).