Description
This Creamy Baked Onions with Asiago Cheese recipe is a rich, comforting side dish that transforms simple onions into a flavorful delight. Tender, sweet onions are baked in a creamy Dijon sauce, topped with nutty Asiago cheese, and baked until golden and bubbly. This dish is perfect for cozy dinners, holiday gatherings, or an elegant side to roasted meats.
Ingredients
Scale
- 4 large yellow onions, peeled and sliced into ¼-inch rounds
- Olive oil, for drizzling
- ½ teaspoon fresh thyme, chopped
- Salt and black pepper, to taste
- 1 cup heavy cream
- 2 teaspoons Dijon mustard
- ½ cup Asiago cheese, grated
Instructions
- Preheat the Oven & Prepare the Onions
- Preheat oven to 375°F (190°C).
- Peel onions and slice them into ¼-inch thick rings.
- Separate the onion rings and place them in a greased 9×9-inch baking dish.
- Season the Onions
- Drizzle onions with olive oil, then sprinkle with salt, black pepper, and thyme.
- Prepare the Creamy Sauce
- In a bowl, whisk together heavy cream and Dijon mustard.
- Pour the mixture evenly over the onions.
- Add the Asiago Cheese
- Sprinkle grated Asiago cheese over the top for a rich, nutty flavor.
- Bake Until Golden and Bubbling
- Cover with foil and bake for 25 minutes.
- Remove foil and bake for another 15 minutes until golden and bubbly.
- Serve & Enjoy!
- Let rest for 5 minutes before serving.
- Garnish with extra thyme or parsley if desired.
Notes
- For extra caramelization, sauté onions in olive oil before baking.
- Make-ahead tip: Assemble the dish up to 24 hours in advance and bake when ready.
- Pair with steak, roasted chicken, or pork chops for a complete meal.
- Prep Time: 10 minutes
- Cook Time: 40 minutes
- Category: Side Dish
- Method: Baking
- Cuisine: European