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Cheesy Baked Tennessee Onions (Better Than Onion Rings) Recipe

4.6 from 72 reviews

A comforting and cheesy baked dish featuring sweet Vidalia onions layered with a blend of cheddar, Monterey Jack, and Parmesan cheese. This recipe transforms traditional onion rings into a rich, melt-in-your-mouth casserole that’s easy to prepare and perfect for a cozy side or appetizer.

Ingredients

Scale

Onions

  • 3 large sweet onions (such as Vidalia), sliced into ½-inch rings

Cheese Mixture

  • 1 ½ cups shredded cheddar cheese
  • 1 cup shredded Monterey Jack cheese
  • ½ cup grated Parmesan cheese

Seasoned Butter

  • 4 tablespoons unsalted butter, melted
  • 1 teaspoon garlic powder
  • ½ teaspoon dried thyme
  • ½ teaspoon salt
  • ¼ teaspoon black pepper

Instructions

  1. Preheat Oven: Preheat the oven to 375°F (190°C) and lightly grease a medium baking dish to prepare for baking.
  2. Prepare Onion Rings: Separate the sliced sweet onions into individual rings, ensuring they remain intact for layering.
  3. Season Onion Rings: In a small bowl, mix the melted butter with garlic powder, dried thyme, salt, and black pepper. Toss the onion rings in this seasoned butter evenly so they are well coated.
  4. Mix Cheese: In another bowl, combine the shredded cheddar, Monterey Jack, and grated Parmesan cheeses thoroughly.
  5. Layer Onions and Cheese (First Layer): Spread half of the buttered onion rings evenly in the prepared baking dish, then sprinkle half of the mixed cheese over them to form the base layer.
  6. Layer Onions and Cheese (Second Layer): Top with the remaining seasoned onion rings, then cover with the remaining cheese mixture for the final layer.
  7. Bake: Place the dish in the oven and bake for 30-40 minutes until the onions are tender and the cheese is bubbly, melted, and golden brown.
  8. Rest and Serve: Remove the dish from the oven and let it rest for a few minutes before serving hot, allowing the flavors to settle.

Notes

  • Use sweet onions like Vidalia to balance the savory cheese and seasonings.
  • For extra crunch, you can broil the top for 2-3 minutes at the end of baking, watching closely to avoid burning.
  • This dish pairs well with grilled meats or as a hearty side for casual dinners.
  • Ensure onions are cut into uniform rings for even cooking.
  • Leftovers can be refrigerated for up to 3 days and reheated in the oven to maintain texture.

Keywords: Tennessee onions, baked onion rings, cheesy onion casserole, Vidalia onions, comfort food, baked side dish