Tennessee Onions – The Cheesy Baked Side Dish Better Than Onion Rings Recipe

Introduction

Tennessee Onions are a delightful baked side dish featuring sweet onions layered with rich cheeses and herbs. Crisp, golden, and cheesy, they offer a delicious alternative to traditional onion rings. Perfect for any meal, this easy recipe brings comforting flavors to your table.

A white rectangular baking dish filled with baked onion gratin sits on a white marbled surface next to fresh thyme sprigs and a whole onion. The dish has several layers of thick onion rings browned on the edges with melted, gooey cheese between each layer. The top layer shows golden-brown cheese melted and slightly crispy, covering the spiraled onion rings. A silver spoon lifts one onion ring slice, showing melted cheese stretching in strings. The onions are soft with a light yellow color, and bits of green herbs are sprinkled on top. Photo taken with an iphone --ar 4:5 --v 7

Ingredients

  • Sweet onions (Vidalia or yellow), sliced ½ inch thick
  • Butter, cut into small pats
  • Italian seasoning
  • Salt and pepper
  • Shredded mozzarella cheese
  • Provolone cheese, sliced
  • Grated Parmesan cheese

Instructions

  1. Step 1: Preheat the oven to 375°F (190°C) and lightly butter a baking dish.
  2. Step 2: Arrange the onion slices in a single layer in the prepared dish.
  3. Step 3: Season the onions with salt, pepper, and Italian seasoning, then place pats of butter evenly on top.
  4. Step 4: Sprinkle shredded mozzarella over the onions, layer sliced provolone on top, and finish with grated Parmesan cheese.
  5. Step 5: Bake uncovered for 25–30 minutes until the cheese is golden and bubbly.
  6. Step 6: (Optional) For extra crispiness, broil for 2 minutes, watching carefully to avoid burning.
  7. Step 7: Let the dish rest for 5 minutes before serving to allow flavors to meld.

Tips & Variations

  • Use Vidalia onions for a sweeter flavor, or yellow onions for a sharper bite.
  • Try adding a sprinkle of smoked paprika or garlic powder for extra depth.
  • Substitute provolone with gouda or fontina for a different cheese profile.

Storage

Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the oven at 350°F (175°C) until warmed through to preserve crispiness. Avoid microwaving to keep the cheese texture intact.

How to Serve

A blue baking dish holds a single thick layer of baked onion slices, which are soft and slightly browned around the edges. The onion rings vary in size, with some smaller overlapping the larger ones, and the top is covered with melted, golden-brown cheese speckled with green herbs. A silver spoon scoops some onion slices from the corner of the dish, showing their soft texture and light sauce underneath. The dish sits on a white marbled surface. photo taken with an iphone --ar 4:5 --v 7

Serve this delicious recipe with your favorite sides.

FAQs

Can I make Tennessee Onions ahead of time?

Yes, you can assemble the dish up to a day in advance and keep it covered in the refrigerator. Bake as directed before serving.

What can I serve with Tennessee Onions?

They pair well with grilled meats, roasted chicken, or as part of a vegetarian meal alongside salads or roasted vegetables.

Print

Tennessee Onions – The Cheesy Baked Side Dish Better Than Onion Rings Recipe

Tennessee Onions is a deliciously cheesy baked side dish featuring thickly sliced sweet onions layered with butter, Italian seasoning, and a blend of mozzarella, provolone, and Parmesan cheeses. Baked until golden and bubbly, this dish offers a richer, more flavorful alternative to traditional onion rings.

  • Author: Nora
  • Prep Time: 10 minutes
  • Cook Time: 30 minutes
  • Total Time: 40 minutes
  • Yield: 4 servings
  • Category: Side Dish
  • Method: Baking
  • Cuisine: American Southern

Ingredients

Onions

  • Sweet onions (Vidalia or yellow), sliced ½ inch thick – 3 large onions

Seasonings and Butter

  • Butter, cut into small pats – 4 tablespoons
  • Italian seasoning – 1 teaspoon
  • Salt – 1 teaspoon
  • Black pepper – ½ teaspoon

Cheeses

  • Shredded mozzarella cheese – 1 cup
  • Provolone cheese, sliced – 6 slices
  • Grated Parmesan cheese – ½ cup

Instructions

  1. Preheat Oven: Preheat your oven to 375°F (190°C) and lightly butter a baking dish to prevent sticking.
  2. Arrange Onions: Place the ½ inch thick sliced sweet onions in a single layer in the prepared baking dish, ensuring even coverage.
  3. Season and Butter: Sprinkle salt, pepper, and Italian seasoning evenly over the onions. Dot the top with small pats of butter to add richness as it melts.
  4. Add Cheeses: Evenly sprinkle shredded mozzarella over the onions, then layer provolone slices on top. Finish by sprinkling grated Parmesan over everything for a sharp, nutty flavor.
  5. Bake: Place the dish uncovered in the oven and bake for 25–30 minutes, or until the cheese is melted, golden, and bubbly.
  6. Optional Broil: For extra crispiness, switch the oven to broil and cook the dish for an additional 2 minutes, watching closely to avoid burning.
  7. Rest and Serve: Remove from oven and let the baked onions rest for 5 minutes to allow the dish to set slightly before serving.

Notes

  • Use sweet onions like Vidalia for the best natural sweetness.
  • Adjust seasoning to taste; Italian seasoning can be complemented with garlic powder if desired.
  • Broiling at the end is optional but adds a nice crunchy top layer.
  • Leftovers store well in the refrigerator for up to 3 days and reheat nicely.
  • For a sharper cheese flavor, use aged Parmesan.

Keywords: Tennessee Onions, baked onions, cheesy onion side dish, baked sweet onions, cheesy side dish, onion recipe, southern side dish

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