Tennessee Onions Recipe (2024)

Home Dinner Tennessee Onions Recipe

By Heather

5 from 1 vote

Dec 08, 2023, Updated Mar 08, 2024

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Looking for a side dish that will impress your family and friends? This Tennessee onions recipe is so easy to make and is packed with incredible flavor. Made with simple ingredients like sweet onions, butter, and cheese, this recipe is one you will want to make again and again.

Tennessee Onions Recipe (2)

Why we love these Tennessee onions

Growing up in Easy Tennessee, this dish was always a favorite at family meals. A few reasons I love this dish include:

  • Taste – The sweet onion flavor combined with flavorful seasonings and gooey cheese is a match made in food heaven. It reminds me of an onion soup flavor.
  • Easy to make– You can put this recipe together in a matter of minutes with not many ingredients.
  • Flexible – Serve this as a side dish or on a variety of things like grilled chicken, pork, BBQ, and more.

Ingredients

Just a few ingredients are needed to make this recipe.

  • Sweet onions – I like using sweet Vidalia onions when you can find them in the grocery store. Walla walla onions and Maui onions also work well.
  • Butter – Choose a good quality, unsalted butter for this recipe.
  • Cheese – A blend of cheese really takes this side dish to the next level. Cheddar cheese, Italian blend cheese, and grated parmesan come together to give you the best flavor.
  • Seasonings – Italian seasoning, garlic powder, salt, and pepper
Tennessee Onions Recipe (3)

How to make Tennessee onions

  • Prepare – Set the oven temperature to 350 degrees F. Spray a 9 x 13 baking dish with non-stick cooking spray.
  • Onions – Carefully cut the ends off of the onions and remove the outer layer. Slice the onions into thin, 1/4-inch thick slices and then separate into individual onion rings.
  • Layer – Spread the onion rings out in the prepared baking dish. Sprinkle the seasonings over the sliced onions and then place the pats of butter on top of the onions.
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  • Cheese – Evenly spread out the cheddar cheese, Italian blend cheese, and then parmesan cheese.
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  • Bake – Bake for about 30 minutes or until golden brown.
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@foodlovinfamily

Tennessee Onions – One of my favorite side dishes! Cheesy onions baked to perfection. This easy side dish recipe is great to seeve anytime of year. #onions #tennesseeonions #sidedish #easyrecipes #casserole #onionrecipe

♬ Joyful – ProSounds

How to store leftovers

Keep any leftovers in an airtight container in the refrigerator. They will last for 3-4 days. Reheat the onions in the oven for about 10-15 minutes or in the microwave.

Variations and substitutions

  • Cheese – Can’t find the shredded Italian blend cheese? Try substituting with mozzarella cheese, shredded Gouda cheese or Monterey Jack cheese. You can also use either mild cheddar cheese or sharp cheddar cheese depending on your preference.
  • Seasonings – Try substituting the Italian seasoning with 1/2 teaspoon of dried oregano and 1/2 teaspoon of dried thyme. If you want to add a little heat, include 1/8 teaspoon of cayenne pepper or red pepper flakes.

How to serve Tennessee onions

These cheesy onions can be served as a side dish or even as a topper. Try serving them on top of a cheeseburger, BBQ sandwich, hot dogs, or even a steak.

Be sure to let me know if you try this onion dish in the comments below.

More easy side dishes

  • Pineapple casserole
  • Spinach casserole
  • Vegetable casserole

Tennessee Onions Recipe (7)

5 from 1 vote

Tennessee Onions Recipe

By Heather

Learn how to make this easy and delicious Tennessee onions recipe. Sliced onions layered with seasonings, butter, and cheese.

Prep: 10 minutes mins

Cook: 30 minutes mins

Total: 40 minutes mins

Servings: 6

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Ingredients

  • 3-4 sweet onions
  • 1 teaspoon garlic powder
  • 1/2 teaspoon Italian seasoning
  • 1/2 teaspoon salt
  • 1/4 teaspoon ground black pepper
  • 4 tablespoons unsalted butter, sliced thin
  • 2 cups shredded cheddar cheese
  • 2 cups shredded Italian blend cheese or shredded mozzarella
  • 1/2 cup grated parmesan cheese

Instructions

  • Preheat the oven to 350 degrees F (175 degrees C). Spray a 9 x 13-inch baking dish with non-stick cooking spray.

  • Remove the onion skins and slice the onions into thin slices, about 1/4-inch thick. Separate the sliced rounds into onion rings.

  • Lay the onions into the prepared baking dish.

  • Sprinkle the garlic powder, Italian seasonings, salt, and pepper over the onions.

  • Spread the pats of butter over the onions.

  • Spread the shredded cheddar cheese over the onions. Next spread the Italian blend cheese and then the parmesan cheese.

  • Bake for 25-30 minutes or until cheese is melted and golden brown.

  • Serve the dish warm.

Video

Nutrition

Calories: 431kcal | Carbohydrates: 16g | Protein: 22g | Fat: 32g | Saturated Fat: 15g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Trans Fat: 0.3g | Cholesterol: 72mg | Sodium: 672mg | Potassium: 253mg | Fiber: 2g | Sugar: 8g | Vitamin A: 688IU | Vitamin C: 8mg | Calcium: 454mg | Iron: 1mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Course: Side Dish

Cuisine: American

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FAQs

Which onion is the sweetest? ›

Maui Onions. Grown on the Hawaiian Island of Maui, Maui onions are a small variety of sweet onion that's available from May through December. It is a hybrid of the granex onion and was one of the first spring onions to appear. It is also considered to be one of the sweetest onions in the world.

Which onions are best for cooking? ›

Yellow Onions: The general cooking onion. Usually relatively cheap and plentiful, they're the go-to onion when cooks get cooking. The flavour is strong but mild, with an onion flavour that isn't overpowering. They often have a bit of sweetness to them, they caramelize nicely and they hold up well when cooked.

What type of onion is a Vidalia? ›

The Vidalia is a type of sweet yellow onion. They're different from other types of yellow onions because of their high sugar content and low sulfur content. Most onions contain about 5 percent sugar, while Vidalias contain a whopping 12 percent.

Which onion is healthiest? ›

All types of onions are good for you, but this dark reddish-purple variety, sometimes called purple onion, has especially high levels of quercetin and other helpful plant compounds known as flavonoids. Flavonoids give many fruits, vegetables, and flowers their colors.

Which onion has the most flavor? ›

White onions are probably the strongest-tasting onion on this list. They're typically used in Asian and Mexican dishes, as well as potato and macaroni salads. You can also sauté them, making them ideal for French onion soup or any other food in which you want to add sweet or sour flavor.

What onion is best for meat? ›

Yellow onions are the most popular cooking onions because they add excellent flavor to most stews, soups, and meat dishes. In fact, typically when a cooked recipe calls for onion, yellow onion is a safe way to go. Yellow onions have a yellow-brown papery skin on the outside and a white flesh.

What's the best onion for a burger? ›

While there are various types of onions to choose from, sweet onions emerge as the clear winner, bringing a pleasant bite that perfectly complements the savory elements of your patty, the tanginess of the condiments, and the softness of the bun.

What kind of onion is best for sauce? ›

Yellow onions are perfect for stews, soups, barbecues, roasts and sauces. Avoid eating them raw as they have a strong flavour.

Which state is known for onions? ›

Onions grow in or near many of the same regions as potatoes. The United States harvests about 125,000 acres, producing 6.75 billion pounds each year. The four largest production regions are Washington, Idaho-Eastern Oregon, California, and West-Central Oregon.

Can you eat a Vidalia Onion raw? ›

The Vidalia Onion is certainly unique in all the world. The sugar content of this onion is comparable to that of an apple, or a bottle of cola. It's a mild, succulent onion that is delicious raw on hamburgers, sliced alongside your steak, in a garden salad, or just eaten raw.

What is the closest thing to Vidalia Onion? ›

Substitutes for Vidalia Onions

There are many other types of sweet onions available, including Walla-Walla (after the city in Washington State) and Texas Sweets, and these can easily be used in any recipe calling for Vidalia Onions.

What makes onions taste better? ›

How you prepare onions will affect the flavor. Since slicing and dicing releases the odor and flavor, the more finely you chop an onion, the more flavorful it will be. On the other hand, a process like boiling an onion will break down the enzymes that spur the chemical reactions creating a less pungent flavor.

What does soaking onions in vinegar do? ›

You can get rid of the strong taste by soaking sliced onions in ice water for 20 to 30 minutes or by sprinkling them with an acid such as vinegar. Onions soaked in ice water will get very crisp while those sprinkled with vinegar will soften a bit, but they will lose the strong taste and become sweeter.

What is the sweetest onion in America? ›

Vidalia sweet onions taste great sliced or chopped on a salad, grilled on a burger, stuffed with sausage and baked, sautéed with chicken or stewed with squash. We think you get the idea! The Vidalia onion season runs from mid-April to early August.

What is the sweetest onion to eat raw? ›

White Onions

These onions are slightly sweeter, a bit milder in taste than yellow onions. They're a good choice for dicing and serving raw on sandwiches and salads or in fresh salsas.

Which is sweeter, Vidalia or Walla Walla? ›

And the Walla Walla soil and growing conditions give that onion a more complex flavor profile "that tells you that this is an onion," he says. The Vidalia may be milder or sweeter, but to Dean, flavor makes the winner. Ultimately, it may be availability that dictates which onion you buy.

Which onions are the sweetest and mildest? ›

Vidalia, Walla Walla, Cipollini varieties are inherently sweet onions. These varieties have become extremely popular and for good reason. They are good cooked but they are very mild and are excellent eaten raw.

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