Best 7 Sweet Onion And Mushroom Casserole Recipes

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Welcome to the delightful world of flavors, where sweet onions and earthy mushrooms come together in perfect harmony to create a culinary masterpiece: sweet onion and mushroom casserole. This comforting dish is a true celebration of simple yet exquisite ingredients, inviting you on a sensory journey that will leave your taste buds craving more. Whether you're a seasoned chef or a beginner looking to elevate your cooking skills, this detailed guide will provide you with all the essential information and step-by-step instructions to create a sweet onion and mushroom casserole that will impress your family and friends. Let's embark on this culinary adventure and discover the secrets to crafting this delectable dish.

Here are our top 7 tried and tested recipes!

SWEET ONION AND MUSHROOM CASSEROLE



Sweet Onion and Mushroom Casserole image

Make and share this Sweet Onion and Mushroom Casserole recipe from Food.com.

Provided by Virginia Chandler

Categories     Vegetable

Time 55m

Yield 4 serving(s)

Number Of Ingredients 8

1 lb vidalia onion, sliced and separated into rings (about 2 large)
4 ounces sliced fresh mushrooms
2 teaspoons butter
1 cup whipping cream
1 large egg
3/4 teaspoon salt
1/2 cup shredded sharp cheddar cheese
1/2 teaspoon paprika

Steps:

  • Saute onions and mushrooms in butter until just tender, about 10 minutes.
  • Place onions and mushrooms in a lightly greased 8 inch square baking dish.
  • Whisk together whipping cream,egg and salt.
  • Pour over onion and mushroom mixture.
  • Bake at 350°F for 25 minutes.
  • Add cheese and sprinkle with paprika.
  • Bake until cheese melts.

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

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 :

SWEET ONION CASSEROLE



Sweet Onion Casserole image

This easy casserole is incredibly tasty. My family asks for it with steak or chicken.-Bobbie McMahan, Anderson, South Carolina

Provided by Taste of Home

Categories     Side Dishes

Time 40m

Yield 10 servings.

Number Of Ingredients 4

5 large sweet onions, halved and sliced
1/2 cup butter
1/2 cup crushed butter-flavored crackers (about 12 crackers)
1/2 cup grated Parmesan cheese

Steps:

  • Preheat oven to 350°. In a large skillet, saute onions in butter until tender. Place half of onions in a greased 2-qt. baking dish; sprinkle with half of the cracker crumbs and cheese. Repeat layers. , Bake, uncovered, until golden brown and bubbly, 25-30 minutes.

Nutrition Facts : Calories 151 calories, Fat 12g fat (7g saturated fat), Cholesterol 28mg cholesterol, Sodium 207mg sodium, Carbohydrate 10g carbohydrate (5g sugars, Fiber 1g fiber), Protein 3g protein.

SWEET ONION CASSEROLE



Sweet Onion Casserole image

This wonderful combination of sweet onions, Swiss cheese, and rice is a tasty side dish for anything from grilled meats to roasted poultry. It is a favorite in our home, and you'll get rave reviews every time you serve it.

Provided by Bobbie Gibson Paulson

Categories     Side Dish     Casseroles

Time 1h30m

Yield 8

Number Of Ingredients 7

¾ cup uncooked basmati rice
5 cups water
¼ cup butter
3 pounds sweet onions, coarsely chopped
1 cup half-and-half cream
1 ½ teaspoons salt
2 cups shredded Swiss cheese, divided

Steps:

  • Preheat oven to 350 degrees F (175 degrees C). Butter a 2-quart baking dish.
  • Bring water to a boil in a large saucepan, and sprinkle in the rice. Stir, reduce heat to low, and simmer the rice until it is half-cooked, about 5 minutes. Drain the rice, and set aside.
  • Melt the butter in a large skillet over medium heat, and cook and stir the onions until translucent but not browned, about 8 minutes. Mix the cooked onions and the butter from the skillet with the rice, and stir in the half-and-half, salt, and 1 3/4 cup of the Swiss cheese. Transfer the mixture to the prepared baking dish, and sprinkle the remaining 1/4 cup of Swiss cheese over the top.
  • Bake uncovered in the preheated oven until the rice is tender and the top is lightly browned, about 1 hour.

Nutrition Facts : Calories 322.9 calories, Carbohydrate 32.4 g, Cholesterol 51.3 mg, Fat 17.1 g, Fiber 3 g, Protein 11.4 g, SaturatedFat 10.8 g, Sodium 552.4 mg, Sugar 7.7 g

SWEET ONION CASSEROLE



Sweet Onion Casserole image

Plan you next casserole dinner with this recipe - sweet onions baked with rice is a delicious one-dish meal.

Provided by By Betty Crocker Kitchens

Categories     Entree

Time 1h

Yield 8

Number Of Ingredients 10

3/4 cup uncooked regular long-grain white rice
1 1/2 cups water
2 tablespoons canola oil
3 3/4 cups chopped sweet onions
1 tablespoon all-purpose flour
1/2 teaspoon kosher (coarse) salt
1 cup fat-free (skim) milk
3 oz Gruyère cheese, shredded (3/4 cup)
1/4 cup grated Parmesan cheese
2 tablespoons chopped fresh parsley

Steps:

  • Heat oven to 350°F. Spray 11x7-inch (2-quart) glass baking dish with cooking spray. Cook rice in water as directed on package.
  • Meanwhile, in 12-inch skillet, heat oil over medium-high heat. Cook onions in oil 6 minutes, stirring occasionally, until tender. Sprinkle flour and salt over onions; stir until blended. Cook 1 minute, stirring constantly.
  • Gradually add milk, stirring with whisk until blended. Cook 3 minutes, stirring frequently, until mixture is thickened. Add cooked rice and Gruyère cheese; stir until cheese is melted. Spoon mixture into baking dish. Sprinkle with Parmesan cheese.
  • Bake uncovered 35 minutes or until bubbly and golden brown. Sprinkle with parsley.

Nutrition Facts : Calories 190, Carbohydrate 23 g, Fat 1/2, Fiber 2 g, Protein 7 g, SaturatedFat 3 g, ServingSize 1 Serving, Sodium 210 mg

MUSHROOM ONION MATZO KUGEL



Mushroom Onion Matzo Kugel image

Makes a nice savory side dish!

Provided by NIBLETS

Categories     Side Dish

Yield 4

Number Of Ingredients 7

3 cups matzo farfel
2 onions, chopped
1 pound mushrooms, chopped
2 tablespoons vegetable oil
salt and pepper to taste
1 pinch garlic powder
1 teaspoon dried dill weed

Steps:

  • Preheat oven to 350 degrees F (175 degrees C). Grease an 8x12 inch baking dish.
  • Place farfel in a colander and pour boiling water over it.
  • In a large skillet, saute onions and mushrooms in vegetable oil. Stir in salt and pepper, garlic powder, and dill. Remove from heat and stir farfel into the skillet.
  • Bake at 350 degrees F (175 degrees C) for 1 hour.

Nutrition Facts : Calories 291.9 calories, Carbohydrate 49 g, Fat 7.3 g, Fiber 2.1 g, Protein 9.2 g, SaturatedFat 1 g, Sodium 8.5 mg, Sugar 5.9 g

FRENCH SWEET ONION CASSEROLE



French Sweet Onion Casserole image

Make and share this French Sweet Onion Casserole recipe from Food.com.

Provided by NovaLee

Categories     Weeknight

Time 1h10m

Yield 6 serving(s)

Number Of Ingredients 9

3 medium sweet onions
2 tablespoons butter
8 ounces fresh sliced mushrooms
2 cups shredded swiss cheese, divided
1 (10 3/4 ounce) can mushroom soup
1 (5 ounce) can evaporated milk
2 teaspoons soy sauce
6 slices French bread (1/2-inch thick)
1/4 cup chopped fresh parsley

Steps:

  • Slice onions crosswise cut each of the slices in half.
  • Melt butter in large skillet,medium high heat cook onions and mushrooms until tender.
  • Spoon mixture into a lightly greased 2-QT baking dish.
  • Sprinkle with 1 cup cheese.
  • Combine soup, milk, and soy sauce; pour over cheese.
  • Top with bread slices and sprinkle with remaining 1 cup cheese and parsley.
  • Cover and refrigerate 4-8 hours.
  • Remove and let stand 30 minutes.
  • Bake covered 375°F for 30 minutes,uncover and bake 15-20 more minutes.
  • Let stand 5 minutes before serving.

Nutrition Facts : Calories 436.7, Fat 17.9, SaturatedFat 10.4, Cholesterol 50.1, Sodium 779.8, Carbohydrate 49.3, Fiber 3, Sugar 5.3, Protein 21.3

Tips:

  • Choose the right onions and mushrooms. Sweet onions, such as Vidalia or Walla Walla, will give the casserole a milder, sweeter flavor. White or brown mushrooms can be used, but cremini or baby bella mushrooms will add a richer flavor.
  • Slice the onions and mushrooms thinly. This will help them cook evenly and release their flavors.
  • Sauté the onions and mushrooms until they are soft and browned. This will help to caramelize the onions and bring out their natural sweetness.
  • Use a good quality cheese. A sharp cheddar or Gruyère cheese will give the casserole a rich, cheesy flavor.
  • Don't overcook the casserole. The onions and mushrooms should be tender, but still have a little bit of bite to them. If you overcook the casserole, the vegetables will become mushy and the cheese will become rubbery.
  • Serve the casserole hot. This is when it will be at its best flavor and texture.

Conclusion:

Sweet onion and mushroom casserole is a delicious and easy-to-make side dish that is perfect for any occasion. It is a great way to use up leftover onions and mushrooms, and it can be easily customized to your liking. Whether you like your casserole cheesy, creamy, or somewhere in between, there is a recipe out there that is perfect for you. So next time you are looking for a side dish that is both delicious and easy to make, give sweet onion and mushroom casserole a try. You won't be disappointed!

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