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

4.7 from 132 reviews

Tennessee Onions is a deliciously cheesy baked side dish that offers a flavorful alternative to traditional onion rings. Thick-cut sweet onions are seasoned, layered with a blend of mozzarella, provolone, and Parmesan cheeses, then baked to golden, bubbly perfection. This comforting recipe combines the sweetness of Vidalia onions with a crispy cheesy topping, making it an irresistible addition to any meal.

Ingredients

Scale

Onions

  • 4 large sweet onions (Vidalia or yellow), sliced ½ inch thick

Seasonings & Butter

  • 4 tablespoons unsalted butter, cut into small pats
  • 1 teaspoon Italian seasoning
  • ½ teaspoon salt
  • ¼ teaspoon freshly ground black pepper

Cheeses

  • 1 cup shredded mozzarella cheese
  • 6 slices provolone cheese
  • ½ cup grated Parmesan cheese

Instructions

  1. Preheat the oven: Preheat your oven to 375°F (190°C) and lightly butter a medium-sized baking dish to prevent sticking and add flavor.
  2. Arrange onions: Place the ½ inch thick sliced sweet onions in a single layer in the prepared baking dish, ensuring they fit comfortably without overlapping.
  3. Season the onions: Sprinkle the onion slices evenly with salt, pepper, and Italian seasoning. Dot the top with small pats of butter to add richness as they bake.
  4. Add cheese layers: First, sprinkle the shredded mozzarella cheese over the seasoned onions. Then layer the provolone slices evenly on top, finishing with a generous sprinkle of grated Parmesan cheese.
  5. Bake the dish: Place the baking dish uncovered in the oven and bake for 25 to 30 minutes, or until the cheese is melted, golden, and bubbly, and the onions are tender.
  6. Optional broil for crispiness: For an extra crispy cheese topping, switch the oven to broil and broil the dish for an additional 2 minutes, carefully watching to avoid burning.
  7. Rest before serving: Remove the baked onions from the oven and let them rest for 5 minutes to allow the flavors to meld and the dish to set before serving.

Notes

  • Vidalia onions are preferred for their natural sweetness, but yellow onions work well too.
  • You can adjust the amount of Italian seasoning to taste or substitute with dried oregano and basil.
  • Butter adds richness; feel free to use salted butter if preferred, but reduce added salt accordingly.
  • For a sharper flavor, consider adding a sprinkle of cayenne pepper or smoked paprika.
  • If you want a lower-fat version, reduce the cheese quantities or substitute part of the mozzarella with part-skim versions.
  • This dish pairs wonderfully with grilled meats or roasted vegetables.

Keywords: Tennessee Onions, cheesy baked onions, side dish, baked onion recipe, mozzarella, provolone, Parmesan, sweet onions, Southern cooking