Print
clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon

Tennessee Onions: The Ultimate Cheesy Baked Onion Casserole Recipe

  • Author: Mary

Ingredients

  • 3 large sweet Vidalia onions, sliced into ¼-inch rings

  • 4 tablespoons unsalted butter, cut into small pieces

  • 1 teaspoon garlic powder

  • ½ teaspoon salt

  • ½ teaspoon black pepper

  • 1 cup shredded sharp cheddar cheese

  • 1 cup shredded mozzarella cheese

  • ½ cup grated Parmesan cheese

  • Fresh parsley, chopped (optional, for garnish)

Instructions

 

  1. Preheat Oven: Set your oven to 350°F (175°C).

  2. Prepare Baking Dish: Lightly grease a 9×13-inch baking dish with cooking spray or a small amount of butter.

  3. Layer Onions: Place the sliced onions evenly in the prepared baking dish.

  4. Season: Sprinkle the garlic powder, salt, and black pepper over the onions.

  5. Add Butter: Distribute the butter pieces evenly over the seasoned onions.

  6. Top with Cheese: Sprinkle the cheddar, mozzarella, and Parmesan cheeses evenly over the onions and butter.

  7. Bake: Place the dish in the preheated oven and bake, uncovered, for 35–40 minutes, or until the onions are tender and the cheese is melted and bubbly with golden spots.

  8. Garnish and Serve: Remove from the oven and let it cool slightly. Garnish with chopped fresh parsley, if desired, and serve warm.

Did you make this recipe?

Share a photo and tag us — we can't wait to see what you've made!

Find it online: https://tastykitchendelight.com/tennessee-onions-the-ultimate-cheesy-baked-onion-casserole-recipe/