Caramelized Onion Casserole

Looking for a comforting, crowd-pleasing dish that works for both family dinners and special occasions? This Sweet Onion Casserole combines the natural sweetness of onions with a rich, creamy, cheesy mixture that’s sure to delight everyone at the table. Follow this guide for a simple, delicious result.

Ingredients:

Instructions:

1. Prepare the Onions
   • Peel and thinly slice the sweet onions. Set aside.
2. Cook the Onions
   • In a large skillet, melt butter over medium heat. Add minced garlic and cook until fragrant.
   • Add the sliced onions and sauté for 15–20 minutes, stirring occasionally, until soft and golden.
3. Add Herbs and Cream
   • Sprinkle thyme over the onions and mix well.
   • Pour in the heavy cream and simmer gently until slightly thickened.
4. Incorporate Cheese
   • Stir in the Gruyere and Parmesan until fully melted and creamy.
5. Season
   • Taste and adjust with salt and black pepper, keeping in mind the cheeses already add saltiness.
6. Assemble the Casserole
   • Transfer the onion mixture into a greased baking dish.
   • Evenly sprinkle breadcrumbs over the top for a golden, crunchy finish.
7. Bake
   • Preheat oven to 375°F (190°C). Bake for 20–25 minutes, until bubbly and lightly browned on top.
8. Serve
   • Let the casserole cool slightly before serving generous portions. Enjoy the creamy, savory flavors!

Tips for Best Results:

• Use naturally sweet onions like Vidalia or Walla Walla for optimal flavor.
• Fresh thyme adds extra aroma and depth.
• Experiment with other cheeses—cheddar or Fontina work well for added richness.