Best 3 Three Onion Casserole Recipes

Three onion casserole is a hearty and flavorful dish that is perfect for a weeknight meal. It is made with three types of onions: yellow, white, and red, which are cooked until caramelized and then combined with a creamy sauce and topped with a crispy breadcrumb topping. The result is a casserole that is both comforting and delicious. It can be served as a main course or a side dish, and it is sure to please everyone at the table.

Check out the recipes below so you can choose the best recipe for yourself!

THREE ONION POTATO CASSEROLE

Three Onion Potato Casserole image

Provided by Food Network

Categories side-dish

Time 1h15m

Number Of Ingredients 9

Ingredients

2 large packages Hashbrown Potato patties (8) defrosted and broken apart in large mixing bowl
1 can cream of chicken soup or cream of celery (for kosher)
1 large bunch green onions, chopped
1/4 cup chopped onions
1/2 cup Dijon mustard
2 cups sour cream
1/2 cup milk (nonfat)
1 to 2 cups cheddar or Jack cheese (for spicy, use jalapeno jack)
1 small can French Fried Onions, for topping

Steps:

Mix all ingredients together, except the fried onions. Put into deep casserole. Top with onions. Bake in a preheated 350 degree oven for 1 hour until golden on top. Can be made ahead a couple of days. Do not bake until ready to use. Can also be frozen.
ADDENDUM TO THREE ONION POTATO CASSEROLE: To make hash-brown potatoes from scratch:
Rinse potatoes. Peel potatoes and shred. Soak in water for at least a 1/2 hour to remove starch. Saute drained potatoes in butter or oil until cooked to the 3/4 point Set aside.
Resume with regular recipe preparation.

THREE ONION CASSEROLE

Three Onion Casserole image

From the Silver Palate Good Times Cookbook, this dish is a wonderfully rich and fragrant side dish for a festive meal. It is wonderful as an accompaniment to a roast of beef or poultry.

Provided by Chef Kate

Categories Onions

Time 1h20m

Yield 6 serving(s)

Number Of Ingredients 10

Ingredients

3 tablespoons butter, unsalted
2 large yellow onions, thinly sliced
2 large red onions, thinly sliced
4 medium leeks, well rinsed, dried and thinly sliced
1/2 teaspoon salt
ground pepper, to taste
1 1/2 cups havarti cheese, grated
2 (5 ounce) packages spreadable cheese with garlic and herbs
1 1/2 cups gruyere, grated
1/2 cup dry white wine

Steps:

Preheat oven to 350°F
Butter an 8 cup baking dish with 1 tablespoon of butter.
Make a layer in the baking dish, using a third each of the yellow onions, red onions and leeks.
Sprinkle the layer sparingly with salt and pepper and top with the Havarti.
Make another layer of the onions and leeks. Add a little more pepper.
Top this layer with the Boursin.
Layer the remaining onions and leeks and top with the Gruyere.
Dot the top with the remaining 2
tablespoons butter.
Pour the wine over all.
Bake for 1 hour.
Cover the top with aluminum foil,
if it gets too brown.
Serve immediately.

Nutrition Facts : Calories 254.7, Fat 14.8, SaturatedFat 8.8, Cholesterol 45, Sodium 352.1, Carbohydrate 18.4, Fiber 2.8, Sugar 6.8, Protein 10.1

THREE ONION CASSEROLE

THREE ONION CASSEROLE image

Categories Vegetable Bake Christmas Dinner Casserole/Gratin

Yield 6 portions

Number Of Ingredients 9

Ingredients

3 tablespoons unsalted butter
2 large yellow onions, thinly sliced
2 large red onions, thinly sliced
4 medium-sized leeks, well rinsed, dried, and thinly sliced
salt and fresh ground pepper to taste
3/2 cups grated Havarti
2 packages (5 oz each) Boursin with herbs, crumbled
3/2 cups grated Gruyere
1/2 cup dry white wine

Steps:

preheat oven to 350 butter 8-cup baking dish w/ 1 tbsp butter make a layer in baking dish, using a third each of the yellow onions, red onions endless. Sprinkle the layer lightly with salt and pepper. Top with Havarti an make one more layer of onions, leeks, seeing each with salt and pepper. Top this layer with Boursin. Layer remaining onions and leeks and top with Gruyere. Dot the opt with remaining 2 tablespoons butter. Poor wine over all. Bake for 1 hour. Cover the top with aluminum foil if it gets too brown. Serve immediately.

Tips:

For a more flavorful casserole, use a variety of onions, such as yellow, white, and red.
To enhance the sweetness of the onions, caramelize them before adding them to the casserole.
If you don't have a Dutch oven, you can use a large skillet or roasting pan.
Be sure to cook the onions until they are soft and translucent.
Season the casserole to taste with salt, pepper, and garlic powder.
Top the casserole with a generous amount of grated cheese before baking.
For a crispy topping, broil the casserole for a few minutes before serving.

Conclusion:

Three onion casserole is a delicious and versatile dish that can be served as a main course or a side dish. It's easy to make and can be tailored to your own taste preferences. With its combination of sweet onions, creamy sauce, and crispy cheese topping, this casserole is sure to be a hit with your family and friends.

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