Best 3 Heavenly Onion Casserole Recipes

**Heavenly Onion Casserole: A Journey of Savory Flavors**

Indulge in the ultimate comfort food experience with our heavenly onion casserole, a culinary masterpiece that combines the perfect balance of caramelized onions, creamy sauce, and crispy breadcrumb topping. This savory dish is a symphony of flavors that will tantalize your taste buds and leave you craving for more. Our diverse collection of recipes caters to various dietary preferences, including gluten-free, vegetarian, and vegan options, ensuring that everyone can savor this delightful casserole. From the classic recipe bursting with the richness of Gruyère cheese to the lighter version featuring almond milk and nutritional yeast, each recipe offers a unique twist on this timeless classic. Prepare to embark on a culinary adventure that will transport you to flavor heaven with our heavenly onion casserole.

Let's cook with our recipes!

HEAVENLY ONION CASSEROLE

Heavenly Onion Casserole image

I like to serve this side often. It goes wonderfully with many different main dishes including chicken, beef, lamb or pork.-Maryln Rose, Naples, Florida

Provided by Taste of Home

Categories Breakfast Brunch Side Dishes

Time 1h

Yield 6-8 servings.

Number Of Ingredients 9

Ingredients

2 tablespoons butter
3 medium sweet Spanish onions, sliced
8 ounces fresh mushrooms, sliced
1 cup shredded Swiss cheese
1 can (10-3/4 ounces) condensed cream of mushroom soup, undiluted
1 can (5 ounces) evaporated milk
2 teaspoons soy sauce
6 to 8 slices French bread (1/2 inch thick)
6 to 8 thin slices Swiss cheese (about 4 ounces)

Steps:

In a large skillet, melt butter over medium-high heat. Saute onions and mushrooms until tender. Place in a 11x7-in. baking dish or 2-qt. baking dish. Sprinkle shredded cheese on top. Combine the soup, milk and soy sauce; pour over cheese. Top with bread and cheese slices. Cover and refrigerate 4 hours or overnight. , Remove from the refrigerator 30 minutes before baking. Loosely cover with foil and bake at 375° for 30 minutes. Uncover and bake 15-20 minutes longer or until heated through. Let stand for 5 minutes before serving.

Nutrition Facts :

HEAVENLY ONION CASSEROLE

Heavenly Onion Casserole image

Make and share this Heavenly Onion Casserole recipe from Food.com.

Provided by Luby Luby Luby

Categories Onions

Time 5h20m

Yield 8 serving(s)

Number Of Ingredients 9

Ingredients

3 tablespoons butter
3 large onions, sliced thin
8 ounces fresh mushrooms, sliced
4 ounces shredded swiss cheese
1 (10 3/4 ounce) can cream of mushroom soup
1 (5 ounce) can evaporated milk
2 teaspoons soy sauce
8 slices of 1/2 inch thick French bread
8 ounces sliced swiss cheese

Steps:

Preheat oven to 375 degrees.
Melt butter over medium heat and saute onions and mushrooms until soft.
Place in 12x7 baking dish.
Sprinkle shredded swiss cheese on top.
Combine soup, evaporated milk and soy sauce mixing well.
Pour over cheese and onions.
Place french bread on top and cover with swiss cheese slices.
Cover and refrigerate 4 hours or overnight.
Bake loosely covered for 30 minutes then uncover and bake another 15-20 minutes.
Let stand for 10 minutes before serving.

HEAVENLY CREAMED PEARL ONION CASSEROLE

Heavenly creamed pearl onion casserole image

I love creamed onions but several years ago I decided to amp it up a bit by adding cheese and a breadcrumb topping & turning it into a casserole. I can guarantee you take 1 bite and you'll be humming, " heaven, I'm in heaven." lol

Provided by sherry monfils

Categories Side Casseroles

Time 1h

Number Of Ingredients 11

Ingredients

1 bag(s) 16 oz bag frozen bird's eye pearl onions, thawed
2 Tbsp unsalted butter
2 Tbsp flour
1-1/4 c hood's light cream
pinch salt and pepper, to taste
pinch ground mustard
dash(es) ground nutmeg
1-1/2 c good quality shredded, sharp white cheddar cheese
6 Tbsp melted butter
1-1/4 c italian style fine breadcrumbs
1 Tbsp fresh thyme, chopped

Steps:

1. Heat oven to 350. In a medium sized pot, melt 2 Tbsp butter over low heat. Whisk in the flour until smooth. Slowly whisk in the light cream. Increase heat to medium and cook & stir until thickened. Add salt & pepper to taste.
2. Add mustard and nutmeg. Add 1 cup of the cheese. Cook, stirring until cheese is melted. Stir in onions. Spoon into a 1 quart casserole dish.Sprinkle the top w/ remaining cheese.
3. In medium bowl, mix the 6 Tbsp melted butter and the breadcrumbs& chopped thyme until combined. Sprinkle over the cheese. Bake uncovered about 25-30 minutes or until bubbly and top is light golden brown.

Tips:

To cut down on the cooking time, you can use pre-sliced onions.
If you don't have a casserole dish, you can use a 9x13 inch baking dish.
Be sure to use a sharp knife to slice the onions thinly. This will help them cook evenly.
Don't overcrowd the casserole dish. If you do, the onions will not cook evenly.
Bake the casserole for 35-40 minutes, or until the onions are soft and golden brown.
Serve the casserole hot, with your favorite side dishes.

Conclusion:

This heavenly onion casserole is a delicious and easy-to-make dish that is perfect for any occasion. It is a great way to use up leftover onions, and it is also a budget-friendly meal. Whether you are serving it as a main course or a side dish, this casserole is sure to be a hit. So next time you are looking for a simple and satisfying dish, give this heavenly onion casserole a try.