Tennessee Onions Recipe (2024)

Home Dinner Tennessee Onions Recipe

By Heather

5 from 1 vote

Dec 08, 2023

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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.
Tennessee Onions Recipe (4)
  • 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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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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Tennessee Onions Recipe (8)

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Tennessee Onions Recipe (2024)

FAQs

What is the best cooking method for onions? ›

Nothing beats a grilled onion as a side, or to top some fish or meat. You can use a favorite grilling recipe, or simply put a peeled onion in foil with some butter, salt, pepper, and spices as desired. Cook on a grill, or in your oven until the onion is soft — about half an hour.

What kind of onion is a Vidalia onion? ›

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.

What to use sweet onions for? ›

Just cooking them like other onions is a waste of the uniquely bright flavor sweet onions bring to the party. The mild flavor of sweet onions makes them perfect for using raw in salads and relishes or chopped as a garnish. Want to cook them? Sweet onions are lovely when turned into onion rings or when simply roasted.

What are the best onions 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.

Why do chefs soak onions in water? ›

Onions - soaking in cold water to soften the flavor

When preparing raw onions, soak in cold water before hand to remove some of the pungency and soften the flavor. However since soaking too long will dilute the flavor, soaking in cold water for 5 to 10 minutes is recommended. Squeeze out excess water before using.

What is the sweetest onion in the world? ›

Vidalia Onions have developed an international reputation as the “world's sweetest onion.” Their mild flavor is due to the unique combination of soils and climate found in the 20 county production area. Through Federal regulation, the Vidalia Onion growers developed Federal Marketing Order No.

Which onion is sweeter, Vidalia or Walla Walla? ›

It's a matter of terroir, he explains. 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.

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 tastiest onion? ›

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. These varieties of onion have a thinner husk and therefore don't store as well as wintering onions.

What type of onions are walla walla? ›

Walla Walla onions, botanically classified as Allium cepa, are one of the only non-hybrid, sweet onions that are members of the Amaryllidaceae family. Known as a long-day variety, Walla Walla onions are named for their specific growing region in the Walla Walla Valley of Washington in the pacific northwest.

What is the best way to make onions taste sweeter? ›

Submerge Them in Cold Water

Soak them for at least 15 minutes (longer is even more beneficial), properly drain, and eat away! Submerging them in cold water takes away that intense, sharp bite from the raw onion. The cold water helps the enzyme that causes onions to have their pungent flavor to leach out.

Which onion has the most flavor when cooked? ›

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 is the healthiest onion to eat? ›

Only found in red or purple onions, anthocyanins are powerful antioxidants and pigments that give these onions their reddish color. Quercetin. An antioxidant flavonoid, quercetin may lower blood pressure and improve heart health ( 19 , 20 ).

What kind of onion for tacos? ›

White onions it the type of onion you'll usually find in prepared salads (potato and macaroni salads, for instance) and traditionally in Mexican cuisine. “White onions can be strong but they tend to have less aftertaste,” Reddin says. Their slightly sweet taste adds to fresh salsas, guacamole, ceviche and tacos.

Is it better to cook onions in oil or butter? ›

Cooking onions longer at a lower heat results in soft and golden brown onions. This breaks down the natural sugars, so the onions taste extra sweet. We recommend using butter for the best flavor.

What is the difference between caramelized onions and sauteed onions? ›

Sautéing vs caramelizing

Sautéing is about softening and lightly flavoring the onions, while caramelizing is about developing a rich, sweet complexity. Unfortunately, you can't swap one out for the other without changing the flavor profile of your dish.

Is it better to boil or fry onions? ›

Onions are perfectly safe to boil. Even if you undercook or overcook them, they are still safe to consume, as long as they are fresh. While being healthier than fried onions, boiled onions cannot be the best option if what you are looking for is flavour and crispiness.

What pan is best for cooking onions? ›

I love non-stick pans for making pancakes and eggs, but they're not the best pick for caramelized onions. Instead, I recommend using a cast-iron skillet. As the onions cook, a delicious fond will develop on the bottom of the pan. If you scrape it up and stir it into the onions, it will make their flavor even richer.

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