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Creamy Baked Onions with Asiago Cheese

Indulge in this savory dish that transforms simple onions into a gourmet delight, baked with creamy goodness and topped with sharp Asiago cheese.
Prep Time10 minutes
Cook Time40 minutes
Total Time50 minutes
Course: Main Course, Side Dish
Cuisine: American, Italian
Keyword: Asiago Cheese, Baked Onions, comfort food, Creamy Dish, Vegetarian
Servings: 4 servings
Calories: 300kcal

Ingredients

Main Ingredients

  • 4 large large yellow onions, sliced into 1/4-inch rounds Sweet and tender
  • 1 tablespoon olive oil, for drizzling Brings richness and helps in caramelizing
  • 1/2 teaspoon fresh thyme, chopped Adds a hint of earthiness
  • to taste salt and pepper Enhances the flavors
  • 1 cup heavy cream Creates a luscious base
  • 2 teaspoons Dijon mustard Elevates the flavor profile
  • 1/2 cup Asiago cheese, grated Gives the dish character and depth

Instructions

Preparation

  • Preheat the oven to 450°F (230°C) and grease a medium-sized baking dish.
  • Arrange the onion slices in a single layer within the prepared baking dish. Drizzle them generously with olive oil.
  • Season the onions with chopped thyme, salt, and pepper to taste.

Roasting

  • Roast the onions in the preheated oven for about 20 minutes, until they begin to soften and caramelize.

Sauce Preparation

  • In a saucepan, heat the heavy cream over medium heat until it begins to simmer.
  • Stir in the Dijon mustard and half of the Asiago cheese, mixing until melted and incorporated.

Assembly and Baking

  • Pour the cream sauce over the roasted onions in the baking dish and sprinkle the remaining Asiago cheese on top.
  • Cover the dish with foil and return it to the oven. Bake for an additional 20 minutes, until the onions are tender and the cream sauce is bubbling.

Notes

Consider adding other herbs like rosemary or oregano for added depth. For a spicy kick, a dash of red pepper flakes can enhance the flavor. To make it a meal, add cooked chicken or sautéed mushrooms. Always use fresh ingredients for the best flavor.