1. Preheat the Oven:
- Preheat your oven to 375°F (190°C).
2. Roast the Onions:
- Place peeled pearl onions on a baking sheet. Drizzle with olive oil and season with salt and pepper. Roast in the preheated oven for 20-25 minutes or until the onions are golden brown and tender. Set aside.
3. Make the Cream Sauce:
- In a saucepan, melt 2 tablespoons of butter over medium heat. Add flour and whisk continuously for 2-3 minutes to create a roux.
- Slowly pour in the whole milk and heavy cream while whisking to avoid lumps. Continue to whisk until the mixture thickens.
4. Add Parmesan:
- Stir in grated Parmesan cheese until fully melted and the sauce is smooth. Season with salt and pepper to taste.
5. Combine Roasted Onions with Cream Sauce:
- Add the roasted onions to the cream sauce, stirring gently to coat the onions in the Parmesan cream.
6. Transfer to a Baking Dish:
- Transfer the creamy onion mixture to a greased baking dish, spreading it out evenly.
7. Prepare Parmesan Topping:
- In a small bowl, mix breadcrumbs with melted butter. Spread the breadcrumb mixture over the creamy onions.
8. Bake:
- Bake in the preheated oven for about 20-25 minutes or until the top is golden brown and the creamed onions are bubbling.
9. Garnish and Serve:
- Once out of the oven, let the dish rest for a few minutes. Garnish with chopped fresh parsley before serving.
10. Enjoy: – Serve the Roasted Parmesan Creamed Onions as a rich and flavorful side dish alongside your favorite main course.
This dish combines the sweetness of roasted onions with the creamy richness of Parmesan sauce and the crunch of a golden breadcrumb topping. It’s a delightful addition to any holiday or special meal. Enjoy!