Cheesy Baked Onion Stacks Recipe

Cheesy Baked Onion Stacks Recipe

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These cheesy baked onion stacks are a delightful appetizer or side dish. Sweet onions are layered with cheese, breadcrumbs, and herbs, then baked until tender and bubbly.  

Ingredients:

  • 3 large sweet onions (like Vidalia or Walla Walla)
  • 1 cup shredded cheese (cheddar, mozzarella, Gruyère, or a blend)
  • 1/2 cup breadcrumbs (panko or regular)  
  • 2 tablespoons olive oil
  • 1 tablespoon fresh thyme leaves (or 1 teaspoon dried)
  • 1 tablespoon fresh parsley, chopped
  • 1 clove garlic, minced
  • Salt and pepper to taste
  • Optional: a sprinkle of red pepper flakes for a little heat

Instructions:

  1. Prepare the Onions:
    • Preheat oven to 375°F (190°C).
    • Peel the onions and cut them in half from top to bottom.
    • Carefully separate the layers of each onion half, keeping the layers intact as much as possible.
  2. Prepare the Filling:
    • In a medium bowl, combine the shredded cheese, breadcrumbs, minced garlic, thyme, parsley, salt, and pepper.
    • If you would like a little heat, add the red pepper flakes.
    • Mix well.
  3. Assemble the Stacks:
    • Lightly brush a baking dish with olive oil.
    • Take a large outer onion layer and place it in the baking dish.
    • Fill the layer with a spoonful of the cheese and breadcrumb mixture.
    • Continue layering with smaller onion layers and the cheese mixture, stacking them up.
    • Repeat with the rest of the onion halves.
    • Any remaining cheese mixture can be sprinkled over the tops of the onion stacks.
    • Drizzle the remaining olive oil over the stacks.
  4. Bake:
    • Cover the baking dish with aluminum foil.
    • Bake for 30 minutes, or until the onions are tender.
    • Remove the foil and bake for another 10-15 minutes, or until the cheese is melted and bubbly and the tops are golden brown.
  5. Serve:
    • Let the onion stacks cool slightly before serving.
    • Serve warm as an appetizer or side dish.

Tips and Variations:

  • For a richer flavor, use a combination of cheeses.
  • Add cooked crumbled bacon or sausage to the cheese mixture.
  • Use different herbs, such as rosemary or oregano, for a different flavor profile.
  • For a softer onion, you can steam the onion halves for a few minutes before you begin to assemble the stacks.
  • You can also put a small pat of butter ontop of each stack before placing them into the oven to bake.

Enjoy your cheesy baked onion stacks!

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