Creamy Baked Onions with Asiago Cheese – A Cozy Classic

A Warm, Comforting Dish for Any Occasion

Imagine pulling a bubbling, golden-brown dish from the oven, the scent of sweet caramelized onions, creamy sauce, and nutty Asiago cheese filling your kitchen. You take a bite, and the tender onions melt in your mouth, coated in a rich, cheesy cream sauce. That’s the magic of Creamy Baked Onions with Asiago Cheese—a simple yet luxurious dish that turns humble onions into something truly special.

Whether you’re looking for a hearty side dish for a family dinner, a comforting holiday favorite, or a flavorful addition to a steak or roast dinner, this dish brings warmth and depth to any meal. Let’s explore everything you need to know about making this creamy, cheesy baked onion dish at home.

Why You’ll Love This Creamy Baked Onions with Asiago Cheese Recipe

• Rich and Comforting: A creamy, cheesy dish that’s perfect for cold weather.
• Simple Ingredients, Big Flavor: Elevates basic onions into a gourmet side dish.
• Versatile: Pairs beautifully with steak, roast chicken, or pork chops.
• Easy to Prepare: A no-fuss recipe that bakes to perfection with minimal effort.
• Make-Ahead Friendly: Can be prepped in advance for stress-free entertaining.

Ingredients for Creamy Baked Onions with Asiago Cheese

Here’s everything you’ll need to create this creamy, cheesy onion bake:

Main Ingredients

Ingredient	Amount
Yellow onions (large, peeled, sliced into ¼-inch rounds)	4
Olive oil	For drizzling
Fresh thyme (chopped)	½ tsp
Salt and black pepper	To taste
Heavy cream	1 cup
Dijon mustard	2 tsp
Asiago cheese (grated)	½ cup

These simple ingredients come together to create a dish that is rich, creamy, and full of flavor.

Step-by-Step Instructions

1. Prepare the Onions

• Preheat your oven to 375°F (190°C).
• Peel and slice four large yellow onions into ¼-inch thick rounds.
• Separate the onion slices into rings.

2. Sauté the Onions for Extra Flavor (Optional)

• Heat a large skillet over medium heat.
• Drizzle with olive oil and sauté the onions for 5–7 minutes until lightly golden.
• This step enhances the natural sweetness of the onions.

3. Arrange the Onions in a Baking Dish

• Lightly grease a 9×9-inch baking dish with olive oil or butter.
• Layer the onions evenly, slightly overlapping them.
• Sprinkle with salt, black pepper, and fresh thyme.

4. Prepare the Creamy Asiago Sauce

• In a bowl, whisk together heavy cream and Dijon mustard.
• Pour the mixture evenly over the onions.
• Sprinkle the grated Asiago cheese on top.

5. Bake Until Golden and Bubbling

• Cover with foil and bake for 25 minutes.
• Remove the foil and bake for another 15 minutes, until golden and bubbly.

6. Serve & Enjoy!

• Let the dish rest for 5 minutes before serving.
• Garnish with extra thyme or a sprinkle of fresh parsley.

Pro Tips for the Best Creamy Baked Onions

• Choose the Right Onions: Yellow onions have a natural sweetness that enhances the dish.
• Slice Evenly: Uniform slices ensure even cooking and a consistent texture.
• Sauté for Extra Sweetness: Lightly cooking the onions before baking brings out a richer flavor.
• Don’t Skip the Dijon: It adds a subtle tang that balances the richness of the cream.
• Use High-Quality Cheese: Freshly grated Asiago melts better than pre-packaged cheese.

How to Store & Reheat Leftovers

Storage:

• Store leftovers in an airtight container in the refrigerator for up to 3 days.

Reheating:

• Oven: Bake at 350°F (175°C) for 15 minutes until warmed through.
• Microwave: Heat in 30-second intervals, stirring occasionally.

Freezing Instructions:

• Not recommended, as the cream sauce may separate upon thawing.

Variations & Customizations

1. Garlic Asiago Baked Onions

• Add 2 cloves minced garlic to the cream mixture for an extra layer of flavor.

2. Cheddar and Asiago Blend

• Combine ½ cup Asiago with ¼ cup sharp cheddar for a more intense cheesy flavor.

3. Keto-Friendly Version

• Reduce the onions to 2 large onions and add ½ cup cooked bacon crumbles.

4. Herbed Creamy Onions

• Add 1 tsp rosemary or oregano for an earthy, aromatic touch.

5. Spicy Asiago Onions

• Sprinkle ¼ tsp red pepper flakes for a mild kick.

Nutritional Information (Per Serving)

Nutrient	Amount
Calories	220
Protein	5g
Carbohydrates	12g
Fat	18g
Fiber	2g
Sodium	180mg

Nutritional values may vary based on portion sizes and ingredient brands.

Frequently Asked Questions (FAQ)

1. Can I use a different type of onion?

Yes! Sweet onions or white onions work well, but yellow onions provide the best balance of flavor.

2. What if I don’t have Asiago cheese?

You can substitute Parmesan, Gruyère, or Pecorino Romano for a similar nutty taste.

3. Can I make this dish ahead of time?

Absolutely! Assemble the dish, cover, and refrigerate for up to 24 hours before baking.

4. Can I make this dish dairy-free?

Yes! Substitute coconut cream for heavy cream and use a dairy-free cheese alternative.

5. What’s the best way to serve this dish?

It pairs perfectly with grilled steak, roasted chicken, pork chops, or a fresh green salad.

6. Can I add breadcrumbs for a crunchy topping?

Yes! Mix ¼ cup panko breadcrumbs with 1 tbsp melted butter and sprinkle on top before baking.

Final Thoughts & Call to Action

This Creamy Baked Onions with Asiago Cheese is a rich, comforting, and flavorful dish that transforms simple ingredients into something extraordinary. Whether you’re serving it as a side dish for a holiday meal or a cozy weeknight dinner, its cheesy, creamy goodness is sure to impress.

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