Introduction

Looking for a delicious recipe that’s both easy and impressive? This Roasted Parmesan Creamed Onions is exactly what you need! With its perfect blend of flavors and simple preparation, this dish is ideal for weeknight dinners or special occasions.

Let’s get started on creating this tasty masterpiece!

Of course! Roasted Parmesan Creamed Onions is a decadent and deeply flavorful side dish that transforms humble onions into something truly special. The roasting process caramelizes the onions, bringing out their natural sweetness, which is then enveloped in a rich, cheesy, and creamy sauce.

It’s a perfect side for a holiday feast (think Thanksgiving or Christmas) or to elevate a simple weeknight roast chicken or steak.

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Roasted Parmesan Creamed Onions

This recipe uses a two-step process: roasting the onions first for maximum flavor, then finishing them in a luxurious Parmesan cream sauce.

Yields: 4-6 servings
Prep time: 15 minutes
Cook time: 1 hour

Ingredients

· 2 lbs small boiling onions (like cipollini or pearl onions), peeled*
· 2 tablespoons olive oil
· Salt and black pepper to taste
· 3 tablespoons unsalted butter
· 3 tablespoons all-purpose flour
· 1 ½ cups whole milk or half-and-half, warmed
· ½ cup heavy cream
· 1 cup freshly grated Parmesan cheese, divided
· ¼ teaspoon freshly grated nutmeg
· 1 teaspoon fresh thyme leaves (or ¼ tsp dried thyme)
· Optional for garnish: Fresh chopped parsley or chives, extra thyme.

*Pro Tip for Peeling Pearl Onions: Make a small “X” on the root end of each onion. Blanch them in boiling water for 2 minutes, then transfer to an ice bath. The skins will slip right off!

Instructions:

Step 1: Roast the Onions

1. Preheat Oven: Preheat your oven to 400°F (200°C).
2. Prepare Onions: Toss the peeled whole onions with olive oil, salt, and pepper on a baking sheet.
3. Roast: Roast for 25-35 minutes, shaking the pan occasionally, until the onions are tender, golden brown, and caramelized at the edges. Remove from the oven and reduce the oven temperature to 375°F (190°C).

Step 2: Make the Parmesan Cream Sauce

1. Make the Roux: While the onions are roasting, melt the butter in a medium saucepan over medium heat. Whisk in the flour and cook for 1-2 minutes until it smells nutty and is lightly golden. This is your roux.
2. Create the Sauce: Gradually whisk in the warm milk and heavy cream, ensuring no lumps form. Continue to cook, whisking constantly, until the sauce thickens and comes to a gentle simmer.
3. Add Cheese and Seasoning: Remove the sauce from the heat. Stir in ¾ cup of the grated Parmesan cheese, the nutmeg, and thyme. Stir until the cheese is completely melted and the sauce is smooth. Season with salt and pepper to taste.

Step 3: Combine and Bake

1. Combine: In a 1.5 to 2-quart baking dish (like an 8×8 or 9-inch round), combine the roasted onions and the Parmesan cream sauce. Gently stir to coat all the onions.
2. Top and Bake: Sprinkle the remaining ¼ cup of Parmesan cheese evenly over the top.
3. Bake: Bake at 375°F (190°C) for 20-25 minutes, or until the sauce is bubbly and the top is golden brown.
4. Broil (Optional): For an extra-browned and crispy top, place the dish under the broiler for the last 1-2 minutes, watching closely to prevent burning.

Step 4: Serve

1. Let the dish rest for 5-10 minutes before serving—it will be extremely hot. Garnish with fresh parsley or chives for a pop of color and freshness.

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Chef’s Tips & Variations

· Onion Shortcut: Can’t find pearl onions? You can use 2-3 medium yellow or sweet onions (like Vidalia), cut into ½-inch wedges. Roasting time may be slightly less.
· Make-Ahead: You can roast the onions and make the sauce a day ahead. Store them separately in the fridge. Let them come to room temperature for 30 minutes before combining and baking. You may need to add 5-10 minutes to the baking time.
· Add More Flavor:
· Garlic: Add 2 minced garlic cloves to the butter and cook for 30 seconds before adding the flour.
· Bacon: Top the finished dish with crispy, crumbled bacon.
· White Wine: After making the roux, deglaze the pan with ¼ cup of dry white wine and let it reduce by half before adding the milk.
· Texture: For a richer, slightly grainy texture, use a blend of Parmesan and Gruyère cheese.

This dish is the ultimate comfort food, balancing the sweet, mellow flavor of roasted onions with a rich, savory, and cheesy cream sauce. It’s sure to become a new favorite!

Conclusion

Congratulations on making this delicious Roasted Parmesan Creamed Onions! We hope you and your loved ones enjoyed every bite of this flavorful dish. This recipe is perfect for sharing with family and friends, and we’re confident it will become a regular favorite in your kitchen.

🍽️ Looking for more amazing recipes? Browse through our collection of delicious dishes on YumPost! From quick weeknight dinners to impressive desserts, we have something for every taste and occasion.

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