Southern Tennessee Onions Casserole Recipe - Easy (2024)

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Want to know what was ‘pon Rocky Top? Tennessee Onions! That’s what, the premier Vidalia Onion Recipe! You want an exceptional andEASYsavory dish, right? Yeah, I thought so! This Southern Tennessee Onions Casserole Recipe – Easy is the right recipe for you, delicious cheesy onions!

Southern Tennessee Onions Casserole Recipe - Easy (1)

This delightful Vidalia Onion Recipes is made with sweet vidalia onions resulting in a vidalia onion casserole!

Basically, I’ve been eating this vidalia onion casserole for 30 years now, and I don’t forsee a time when I’ll stop. You should try it!

Sweet onions cut into onion rings, sprinkled with garlic powder and covered with cheddar cheese then baked in a prepared baking dish.

What could be easier? You’ll love it, I promise!

Why This Baked Vidalia Onion Recipe Works!

Contents show

  • It has simple ingredients that you probably already have in your kitchen like sweet vidalia onions, butter and garlic.
  • This has been rated as one of the BEST vidalia onion recipes out there!
  • What can go wrong with melted mozzarella cheeses, garlic and a sweet vidalia onion?

Frequently Asked Questions (FAQ’s)

What to Cook for Vegetarians

This vidalia onion recipes is a perfect recipe for your vegetarian friends.

What Are Tennessee Onions

Good question! Sweet Onions like Tennessee Onions are baked Vidalia (or other sweet onions) Onions with butter, cheese, garlic and various herbs.

This dish of Tennessee Onions is a creation using sweet vidalia onions from the recipe of a great grandmother of a good friend of mine.

I have no idea why she called this vidalia onion casserole Tennessee Onions. You’ll catch some great flavors of the south and it’s the best dish for the most ardent onion fan, like me!

Vidalia onions are the mighty onion that come from Georgia, not Tennessee! Who knows – let’s just roll with it – OK?

Is a Vidalia Onion and Sweet Onion

Yes, vidalia onions are sweet onions. If you can’t find Vidalias try substituting Cipollini onions, Texas Sweet or other sweet onions.

Where are Vidalia Onions Grown

According to my research, REAL vidalia onions are grown in Georgia!

How Do I Store Vidalia Onions

Store Vidalia onions (and all onions) in a cool dry dark place. If you happen to have an old pair of panty hose, you can drop a Vidalia down into the foot, tie a knot, drop another in and so on.

Just cut the bottom one off as you need an onion! This works GREAT!

When are Vidalia Onions in Season

Vidalia Onions are in season in the summer time. You will be able to find other types of sweet onions all year long.

Tips and Tricks for Perfect Tennessee Onions Recipe

  • Serve Tennessee Onions over hamburgers, as teh backbone of soups, over steak, as a side dish at your cookout or even as a “burger option” for your vegetarian friends.
  • Cut the sweet onions in even thicknesses and separate out the rings
  • Cut the sweet onions about 1/2 inch thick slices
  • Use Vidalia Onions when available. Texas Sweets will do as well. Any sweet onion will do in a pinch but Vidalias are the best.
  • These Tennessee Onions do not make a custard pie like filling, they simply make baked onions with a cheesy topping – YUM!
  • Use the best quality cheese that you can afford for this – it makes a difference.
  • Check to see if it needs salt before adding any, cheese and garlic salt are both salty already
  • Be sure to prepare your dish with non-stick cooking spray, it helps with prep time and clean up.
  • Just bake until the onions are soft – this might be 35-40 minutes, but if your slices are thinner, it will be done sooner.
  • Store in an airtight container in the fridge for up to 5 days.
  • Sprinkle with your choice of fresh herbs

Serving Suggestions

So, you are probably wondering how to serve this fabulous Tennessee Onion Bake. Vidalia onions in this baked Tennessee Onions dish are TERRIFICwithHangry Hamburgers,Potato Saladand agreen caprese saladwith a dessert ofBanana Pudding

Here’s How You Do It

STEP 1. First cut the onions into 1/2 inch rounds and layer in the baking dish.

STEP 2. Place pats of butter, shredded cheese and herbs on top of the onions.

Part 3. Bake in the oven!

STEP 4. Enjoy!!!

Southern Tennessee Onions Casserole Recipe - Easy (2)
Southern Tennessee Onions Casserole Recipe - Easy (3)
Southern Tennessee Onions Casserole Recipe - Easy (4)
Southern Tennessee Onions Casserole Recipe - Easy (5)

Watch Sarah Make Tennessee Onions

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Southern Tennessee Onions Casserole Recipe - Easy (6)

Tennessee Onions

Baked Vidalia Onions with Cheese, Butter and Herbs

5 from 30 votes

Print PinSave Rate

Course: Side Dish

Cuisine: American

Keyword: Tennessee Onions, Vidalia onion recipe

Prep Time: 5 minutes minutes

Cook Time: 30 minutes minutes

Total Time: 35 minutes minutes

Servings: 8 servings

Calories: 150kcal

Author: Wendi Spraker

Ingredients

  • 2-3 whole Vidalia onions or any sweet onion will do
  • 4 tbsp unsalted butter
  • 1 tsp Garlic salt
  • 1/2 tsp Pepper
  • 1 Cup shredded sharp cheddar cheese the better quality, the better taste
  • 1 Cup shredded mozzarella Cheese
  • ½ cup grated Parmesan cheese
  • Fresh oregano or other herbs for garnish

Instructions

  • Using non-stick cooking spray, prepare a 9×9 (or 9×13) baking dish.

  • Heat oven to 350

  • Slice the Vidalia onions in 1/4 to 1/2 inch slices and separate the rings.

  • Lay the rings in the prepared baking dish

  • Sprinkle the onion rings with garlic salt (about 1 tsp), pepper (about 1/2 tsp).

  • Cut the butter into pats and place around the dish on top of the onions.

  • Spread the cheddar and mozzarella cheeses on top of the onions and then top with the grated parmesan cheese.

  • Bake at 350 uncovered for 30 minutes or until bubbly and the cheese has started to brown (browned cheese bits is one of the best parts!)

  • Remove from the oven, allow to cool for a few minutes, garnish with some fresh herbs (oregano, chives, thyme all work well) and then serve.

Notes

  • Serve Tennessee Onions over hamburgers, over steak, as a side dish at your cookout or even as a “burger option” for your vegetarian friends.
  • Cut the sweet onions in even thicknesses and separate out the rings
  • Cut the sweet onions about 1/2 inch thick
  • Use Vidalia Onions when available. Texas Sweets will do as well. Any sweet onion will do in a pinch but Vidalias are the best.
  • These Tennessee Onions do not make a custard pie like filling, they simply make baked onions with a cheesy topping – YUM!
  • Use the best quality cheese that you can afford for this – it makes a difference.
  • Check to see if it needs salt before adding any, cheese and garlic salt are both salty already

Nutrition

Nutrition Facts

Tennessee Onions

Amount Per Serving

Calories 150Calories from Fat 81

% Daily Value*

Fat 9g14%

Saturated Fat 5g25%

Cholesterol 30mg10%

Sodium 282mg12%

Potassium 128mg4%

Carbohydrates 6g2%

Sugar 4g4%

Protein 9g18%

Vitamin A 285IU6%

Vitamin C 4mg5%

Calcium 263mg26%

Iron 0.4mg2%

* Percent Daily Values are based on a 2000 calorie diet.

Tried this recipe?Mention @loavesanddishes or tag #loavesanddishes!

The folks in the Bible eating Manna for all those days reminds me how thankful I am for things like Tennessee Onions, cheesy, tangy, flavorful. Thank God for manna and thank good for onions!

John 6:31

Our fathers ate the manna in the wilderness; as it is written, ‘He gave them bread from heaven to eat.’”

***THIS POST HAS BEEN UPDATED BY WENDI WITH NEW INFORMATION***

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Wendi Spraker

Wendi is the writer, CEO and dishwasher at Loaves and Dishes! When not in the kitchen or behind the computer, you can find Wendi serving on International Food Conference Boards, Speaking at various conferences, Leading and Cooking for the local Arts Council's "Taste of Stokes" events or donating home cooked goodies to various local non profits such as the Danbury Songwriters and Stokes Partnership for Children. Wendi is also a Registered Nurse with a Master's Degree and serves on her town's board of councilmen.

Southern Tennessee Onions Casserole Recipe - Easy (2024)

FAQs

What to do with old onions? ›

Six ways to use up leftover onions
  1. French onion soup. Low and slow is the key to a brilliant French onion soup. ...
  2. Onion gravy. Give your roast dinners a boost by mastering a classic onion gravy recipe. ...
  3. Bhajis. Are onion bhajis a staple of your Indian takeaway order? ...
  4. Star of the show. ...
  5. Caramelised. ...
  6. Chutneys and relishes.

What does a Vidalia onion look like? ›

Vidalia onions are squatty and flatter in shape than other onions and have golden outer skin.

What to do with too many yellow onions? ›

You can take about four to five onions and caramelize them. Keep them in the fridge all week and add them to your meats, or pizzas, or casseroles. Make an Onion Soup out of them. Take a couple and pickle them to add to other foods, such as tacos, burgers and salads.

How to use onions? ›

Onions can be roasted, grilled, pickled, caramelized, battered and deep-fried, sliced thinly or chopped and served raw in salads, sandwiches, dips, or as a garnish for tacos, making them among the most versatile and ubiquitous ingredients in the culinary arts.

Should you throw away onions that have sprouted? ›

Unlike potatoes, where the mature plant is toxic to humans, all parts of an onion are safe to eat. So you don't need to worry when you see green sprouts poking out of your produce. In fact, you don't even need to remove them.

How long can you keep onions before they go bad? ›

Ideally, onions should be stored in a cool, dark place between 45 and 55 degrees F. Whole, raw onions will last two to three months when stored in a cool, dry place. Places that provide these conditions may include your cellar, pantry, unheated basem*nt, or garage.

Should Vidalia onions be refrigerated? ›

The key to preserving Vidalias is to keep them cool, dry, and separated. When stored properly, our Vidalias can last as long as 1-2 months on the counter, or 3-6 months when placed into refrigerator veggie bin (mentioned below).

Which is sweeter Vidalia or yellow onion? ›

"Vidalia onions have a sweeter taste because of their high water and natural sugar content, compared to other yellow onions which have a milder taste when cooked," says Riner.

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.

How do restaurants make onions less strong? ›

How to Reduce the Sharpness of an Onion. Patel recommends soaking a sliced onion for 30-60 minutes in ice water, which will alleviate some of the enzymes from escaping. Drain and pat dry before cooking with the crisp, palatable onion.

Should you refrigerate yellow onions? ›

Avoid Storing Whole Onions in the Fridge

That's why onions are best stored in a cool but dry, dark and well-ventilated place. These conditions ensure that they don't absorb too much moisture or experience heat or humidity. Storing whole onions in the fridge exposes them to cold, humid conditions.

What to do with a big bag of onions? ›

  1. Blooming Onion. Caitlin Bensel. ...
  2. One-Pot French Onion Pasta. Caitlin Bensel. ...
  3. Caramelized Onion Dip. Caitlin Bensel. ...
  4. Instant Pot French Onion Soup. Will Dickey. ...
  5. Brisket Tacos with Pickled Red Onion. Caitlin Bensel. ...
  6. Juicy Lucy. Caitlin Bensel. ...
  7. Ham and Cheese Frittata with Caramelized Onions. Con Poulos. ...
  8. Homemade French Onion Dip.
Jun 20, 2023

What is the most delicious onion? ›

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.

Why do you put baking soda on onions? ›

Baking soda makes the onions more alkaline, which speeds up the browning reactions necessary for properly caramelized onions. But it also weakens the pectin that holds the onion's cells together, turning what should be soft but distinct pieces of browned onion into a nauseating stew of pea-green mush.

What does soaking onions in milk do? ›

The vinegar soak did rid the onions of much of their burn, but it was replaced by an equally strong sour taste, even after thorough rinsing. Milk was also very effective at removing the sulfur compounds, but it left the onions tasting washed-out.

What to do with underdeveloped onions? ›

The small, underdeveloped onions at the bottom of the mature plant are edible but are very hot. Eat the tender young shoots and stems as green onions. The bulbils can be eaten, too, if not replanted. They can also be stored for a few months.

Should I throw out my onions? ›

If you feel soft spots, the onion is past its prime. If your onion has started to grow sprouts, that is also an indication it has gone bad. Lastly, give it a good sniff. If it smells "off" then it's probably a good idea to dispose of it and reach for a fresh one instead.

When should you throw away onions? ›

Things You Should Know

Your onions have gone bad if they have dark brown spots, are squishy to the touch, or are secreting moisture. Your onion may also be bad if it's sprouting. However, some people simply cut the sprouts off and eat the rest of the onion. Store whole onions in a ventilated container.

Can rotten onions be planted? ›

Yes, that is possible, but you will also need to wash the rotted area, even when you cut it away, because germs could infest the rest of the onion and turn that rotten, too. Also, check if any other areas of the onion look slightly off. Should I cut off the greens before planting in soil?

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