Creamy Baked Onions with Asiago Cheese
A delightful side dish transforming onions into a creamy, cheesy masterpiece, perfect for any occasion.
Servings: 4 servings
Calories: 290kcal
Ingredients
Main Ingredients
- 4 large yellow onions Sliced into 1/4-inch rounds for optimal roasting.
- 1 tablespoon olive oil For drizzling, adds richness.
- 1/2 teaspoon fresh thyme Chopped.
- to taste salt
- to taste pepper
- 1 cup heavy cream Provides a luxurious base for the sauce.
- 2 teaspoons Dijon mustard Adds a tangy kick.
- 1/2 cup Asiago cheese Grated and ready to melt.
Instructions
Preparation
- Preheat your oven to 450°F (230°C).
- Grease a baking dish generously.
- Arrange the onion slices in a single layer within the dish and drizzle with olive oil.
- Sprinkle with freshly chopped thyme, salt, and pepper.
Roasting
- Roast the seasoned onions in the oven for approximately 20 minutes.
Cream Sauce Preparation
- In a saucepan, heat the heavy cream over medium heat until just simmering.
- Stir in the Dijon mustard and half of the grated Asiago cheese, mixing until the cheese is melted.
Final Baking
- Once the onions are roasted, pour the creamy mixture over them.
- Sprinkle the remaining Asiago cheese on top.
- Cover the baking dish with foil and return to the oven for an additional 20 minutes.
Notes
For more flavor, sauté minced garlic with thyme before adding to onions. Substitute heavy cream for half-and-half or non-dairy alternatives. Add lemon zest for brightness.