Tennessee Onions

Update : February 2, 2026

Why Make This Recipe

Tennessee Onions is a delicious and comforting dish. It combines the sweetness of onions with creamy cheeses and savory herbs. This recipe is not only easy to make but also perfect for gatherings, potlucks, or a cozy family dinner. The flavors blend beautifully, making it a favorite for onion lovers and cheese fans alike.

How to Make Tennessee Onions

Ingredients:

4 large sweet onions, sliced
1 cup shredded cheddar cheese
1 cup shredded mozzarella cheese
1 cup crumbled feta cheese
1/2 cup unsalted butter, melted
1 teaspoon garlic powder
1 teaspoon dried thyme
Salt and pepper to taste

Directions:

Preheat your oven to 375°F (190°C).
In a large mixing bowl, combine the melted butter, garlic powder, thyme, salt, and pepper.
Add the sliced onions to the mixture and toss to coat well.
In a baking dish, layer the coated onion slices and sprinkle half of each type of cheese over the top.
Add the remaining onion slices and finish with the remaining cheeses.
Cover the dish with aluminum foil and bake for 30 minutes.
Remove the foil and bake for an additional 15 minutes, or until golden and bubbly.
Let cool slightly before serving.

How to Serve Tennessee Onions

Tennessee Onions can be served as a side dish or a main course. It goes well with grilled meats, roasted chicken, or as part of a vegetarian meal. For a complete meal, serve it with a fresh salad or some crusty bread.

How to Store Tennessee Onions

If you have leftovers, let the dish cool completely, then transfer it to an airtight container. Store it in the refrigerator for up to 3 days. To reheat, place it in the oven at 350°F (175°C) until warmed through. You can also microwave individual portions.

Tips to Make Tennessee Onions

Choose sweet onions for the best flavor.
Feel free to mix different cheeses according to your preference.
You can add other herbs like rosemary or parsley for additional flavor.
Make sure to coat the onions well to avoid dryness during baking.

Variation

You can turn Tennessee Onions into a more complete dish by adding cooked bacon or ham. Another option is to add chopped bell peppers or mushrooms for extra veggies.

FAQs

Can I use yellow or white onions instead of sweet onions?
Yes, you can use yellow or white onions, but the dish will be less sweet and have a sharper flavor.

Can I prepare Tennessee Onions ahead of time?
Yes! You can assemble the dish the day before and keep it covered in the refrigerator. Just bake it before serving.

What can I serve with Tennessee Onions?
Tennessee Onions pairs well with meats like grilled chicken, steak, or even a hearty salad for a lighter meal.