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Creamy Baked Onions with Asiago Cheese: A Cozy Classic

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Creamy Baked Onions with Asiago Cheese transform humble onions into a luxurious side dish. Sweet, tender onion slices are roasted to perfection and smothered in a rich, creamy sauce infused with the nutty flavor of Asiago cheese. Baked until golden and bubbly, this dish offers comfort and elegance in every bite.

Ingredients

4 large yellow onions, peeled and sliced into ¼-inch rounds

Olive oil, for drizzling

½ teaspoon fresh thyme, chopped

Salt and pepper, to taste

1 cup heavy cream

2 teaspoons Dijon mustard

½ cup Asiago cheese, grated

Instructions

  1. Preheat your oven to 450°F (230°C). Lightly grease a baking dish with olive oil. Peel and slice the onions into ¼-inch rounds, keeping them uniform for even cooking.
  2. Arrange the onion slices in a single layer in the prepared baking dish. Drizzle with olive oil and sprinkle with chopped thyme, salt, and pepper. Roast in the preheated oven for about 20 minutes, or until the onions begin to soften and turn golden around the edges.
  3. While the onions are roasting, heat the heavy cream in a small saucepan over medium heat until it begins to simmer. Stir in the Dijon mustard and half of the grated Asiago cheese, allowing the cheese to melt into the sauce. Do not let the cream boil; keep it at a gentle simmer.
  4. Once the onions have roasted, remove them from the oven. Pour the creamy sauce evenly over the onions, ensuring each slice is covered. Sprinkle the remaining Asiago cheese on top.
  5. Cover the baking dish with foil and return it to the oven. Bake for an additional 20 minutes, then uncover and bake for another 5 minutes to allow the cheese to become golden and bubbly.
  6. Remove from the oven and let it cool for a few minutes before serving.

Notes

  • If Asiago cheese is unavailable, Parmesan or Gruyère can be used as alternatives.
  • Add bacon bits or sautéed mushrooms for added flavor and texture.
  • For a spicy kick, add a pinch of red pepper flakes to the cream sauce.
  • Experiment with different herbs like rosemary or oregano to change the flavor profile.
  • Store leftovers in an airtight container in the refrigerator for up to 3 days.
  • Reheat in a preheated oven at 350°F (175°C) for 10-15 minutes, or until heated through.

Nutrition

Find it online: https://recipesbyjanet.com/creamy-baked-onions-with-asiago-cheese-a-cozy-classic/