Previous Original Candy Tennessee Onion Casserole


This Candy Onion Casserole is a scrumptious twist on the traditional facet dish. This old school recipe takes candy onions, layers them with tasty herbs and spices, tops them with a mixture of flavorful cheeses, and finishes with a golden, buttery topping.

It is an ideal addition to any meal, whether or not it is a common household dinner or a special day.

A white casserole dish holding baked sweet onions topped with buttered bread crumbs.
The candy and savory Onion Casserole was the star of our vacation dinner final yr!
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🗝️ Recipe’s key factors

  • The mix of candy onions, herbs, spices, and two forms of cheese creates a scrumptious taste. The gentle Cheddar and smoked Gouda add a creamy and satisfying tacky style.
  • Coarse bread crumbs from rustic bread or baguette present a pleasant crunch in opposition to the comfortable onions and melted cheeses.
  • The recipe is simple, with solely 10 minutes of energetic time and a complete of 1 hour and 20 minutes.
  • This casserole enhances varied principal dishes and is a standout facet for any meal.

This onion casserole is scrumptious and straightforward to make, combining tacky, buttery goodness with a satisfying crunch. It is a crowd-pleasing consolation dish with a nostalgic appeal, appropriate for any event.

🛒 Components

That is an summary of the components. You may discover the complete measurements and directions within the recipe card (printable) on the backside of the web page.

Image of the ingredients needed to make the cheesy sweet onion casserole side.

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  • Candy onions – equivalent to yellow onions or Vidalia onions
  • Dried thyme – you may also use recent when you want
  • Dried parsley flakes – recent parsley can be utilized as nicely
  • Garlic salt
  • Dried oregano – or recent, when you want
  • Dry mustard
  • Cayenne pepper – omit or regulate the portions to fit your tastes
  • Salted butter – minimize into small items
  • Delicate Cheddar cheese – shredded
  • Smoked Gouda cheese – shredded
  • Smoked paprika
  • Coarse bread crumbs – from rustic bread or baguette
  • Melted butter

🗒 Directions

That is an summary of the directions. Full directions are within the recipe card on the backside of the web page.

Collage of the first four steps to assembling the Tennessee onion casserole.
  1. Preheat oven to 350°F and coat a 13×9-inch baking dish with cooking spray.
  2. Add sliced candy onions, thyme, parsley, garlic salt, oregano, mustard, and cayenne pepper to a big mixing bowl.
  3. Toss to mix.
  4. Prepare onion combination evenly within the baking dish.
The second collage, with steps five through eight, shows how to make a sweet onion casserole.
  1. Place butter items over the onions and sprinkle with Cheddar and Gouda.
  2. Cowl with foil and bake for 40 minutes till onions are comfortable and sides are bubbly.
  3. In the meantime, in a small bowl combine melted butter with bread crumbs and put aside.
  4. Take away foil, sprinkle with smoked paprika, and prime with buttered bread crumbs.
The third collage shows the final steps to making the casserole with sweet onions, seasoning, and cheese.
  1. Return to the oven.
  2. Bake uncovered at 350°F for a further half-hour till the highest is golden.

🥫 Storage

Retailer any leftover candy onion casserole in an hermetic container within the fridge. It is best to devour inside 3-4 days for optimum freshness. To reheat, use a microwave for particular person servings or a preheated oven at 350°F till warmed by means of.

📚 Variations

  • Experiment with completely different cheeses equivalent to gruyère, fontina, or mozzarella for distinctive taste variations.
  • Strive recent herbs like chopped chives, rosemary, or basil as a substitute of dried herbs for a more energizing, herbaceous style.
  • Regulate the extent of cayenne pepper to regulate the spiciness, or add a pinch of purple pepper flakes for an additional kick.
  • Use seasoned or herbed bread crumbs for added taste within the crunchy topping.
  • Mix various kinds of onions, equivalent to purple and yellow, for a colourful and numerous onion profile.
  • Add crispy bacon bits between the layers for a smoky and savory ingredient.
A side casserole featuring sweet onions, cheese, and seasoning topped with buttered bread crumbs.
One chew of the mouthwatering candy onion goodness, and your style buds will dance with pleasure!

👩🏻‍🍳 Ideas

  • I like to recommend all the time grating your personal cheese since pre-grated cheese has anti-caking brokers that make it not soften as nicely.
  • If making your personal bread crumbs, allow them to dry a bit earlier than mixing with butter for a crunchier texture.
  • Regulate the casserole whereas baking to forestall burning. Regulate time if wanted for the proper golden end.

🤔 FAQs

Do it’s a must to cook dinner onions earlier than placing in casserole?

No, you needn’t cook dinner the onions beforehand. They soften and develop taste throughout baking.

Are yellow onions and Vidalia onions the identical?

No, they’re completely different. Vidalia onions are a sort of candy onion identified for his or her gentle taste and are normally sweeter than common yellow onions.

Which onions are sweeter?

Vidalia onions are typically sweeter than yellow onions.

What is the distinction between White, Yellow, and Purple Onions?

White onions are milder, yellow onions are versatile with a balanced taste, and purple onions are sometimes sharper and add vibrant colour to dishes.

What’s the most flavorful onion?

Probably the most flavorful onion is subjective, however purple onions are sometimes thought-about extra pungent and daring in style.

Overhead view of the Tennessee onion casserole served on a white plate.
Once we wish to convey one thing extraordinary to our vacation desk, this Previous Original Candy Onion Casserole recipe involves thoughts.

🍽 What to serve with Candy Onion Casserole

This Candy Onion Casserole can be excellent served alongside beef dishes like a Standing Rib Roast, Grilled London Broil, or Grilled Porterhouse.

🔪 All Our Method recommends the next

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You’ll want the next gadgets to make this recipe efficiently.

📞 Chiacchierata (chat)

Put together to fall in love with this candy onion casserole that seamlessly combines the caramelized goodness of candy onions with an ideal mix of herbs, two forms of melted cheese, and a satisfyingly crunchy topping.

Its wealthy, buttery taste and versatile pairing choices make it a surefire crowd-pleaser!

Tutti a tavolo, è pronto!

An image of a fork piercing a helping of sweet Tennessee onion casserole bake.
This savory and delectable Tennessee Onion Casserole is the proper addition to any vacation meal.

In the event you love this recipe please give it 5 stars ⭐️⭐️⭐️⭐️⭐️.

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📖 Recipe

Golden coarse bread crumbs top baked sweet onions in a baking dish with a silver spoon.

Previous-Original Tennessee Candy Onion Casserole

This candy onion casserole combines the caramelized goodness of candy onions with an ideal mix of herbs, two forms of melted cheese, and a satisfyingly crunchy topping.


Course: Holida facet, vegetable facet

Delicacies: American, American-Southern

Prep Time: 10 minutes

Prepare dinner Time: 1 hour 10 minutes

0 minutes

Whole Time: 1 hour 20 minutes

Servings: 8 servings

Energy: 263kcal

As An Amazon Affiliate I earn from qualifying purchases.


  • 2 ½ lb. candy onions about 3 giant onions, sliced crosswise into ¼-in.-thick slices and separated into rings
  • 1 tsp. dried thyme
  • 1 tsp. dried parsley flakes
  • 1 tsp. garlic salt
  • ½ tsp. dried oregano
  • ½ tsp. dry mustard
  • ¼ tsp. cayenne pepper
  • ¼ cup salted butter minimize into ¼-in.-thick items
  • 4 oz. gentle Cheddar cheese shredded (about 1 cup)
  • 4 oz. smoked Gouda cheese shredded (about 1 cup)
  • ¼ tsp. smoked paprika
  • ½ cup bread crumbs coarsely grated from a country bread loaf or baguette.
  • 2 tablespoon melted unsalted butter


  • Heat the oven: 
Preheat oven to 350°F. Coat a 13- x 9-inch baking dish with cooking spray. 
Collect your components.

  • Season the onions: 
Place onions in a big bowl. Sprinkle with thyme, parsley, garlic salt, oregano, mustard, and cayenne pepper; toss gently to coat. 
Prepare evenly within the ready baking dish.

  • Add toppings and bake: 
Prepare butter evenly over onions and sprinkle with Cheddar and Gouda. 
Cowl with aluminum foil, and bake in a preheated oven till onions are comfortable and sides are bubbly about 40 minutes.

  • Combine the two Tablespoons melted butter with the recent bread crumbs. Put aside.

  • End baking: 
Take away foil. Sprinkle with the smoked paprika and the buttered bread crumbs.

  • Bake at 350°F till prime is golden, about half-hour.


Energy: 263kcal | Carbohydrates: 17g | Protein: 9g | Fats: 18g | Saturated Fats: 11g | Polyunsaturated Fats: 1g | Monounsaturated Fats: 5g | Trans Fats: 0.3g | Ldl cholesterol: 53mg | Sodium: 558mg | Potassium: 247mg | Fiber: 2g | Sugar: 8g | Vitamin A: 669IU | Vitamin C: 8mg | Calcium: 268mg | Iron: 2mg

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