Ingredients
The secret to this casserole lies in its simple yet indulgent ingredients. Here’s what you’ll need:
For the Casserole:
1 tablespoon olive oil (or butter)
2 large onions (thinly sliced)
1 lb ground beef
2 cloves garlic (minced)
1 cup uncooked long-grain white rice
2 cups beef broth
1 teaspoon Worcestershire sauce
1 teaspoon dried thyme
Salt and pepper (to taste)
For the Topping:
1 1/2 cups shredded mozzarella cheese (or Gruyère for a French onion twist)
1/2 cup grated Parmesan cheese
Optional Garnish:
Fresh parsley (chopped, for brightness)
Instructions
Ready to whip up this cheesy, savory delight? Follow these easy steps:
Step 1: Caramelize the Onions
Heat the olive oil in a large skillet or oven-safe pan over medium heat. Add the sliced onions and cook, stirring occasionally, for 15–20 minutes , until golden brown and caramelized. Remove the onions from the pan and set aside.
Step 2: Cook the Ground Beef
In the same skillet, add the ground beef and cook over medium heat until browned, breaking it into small pieces with a wooden spoon. Drain excess fat if needed.
Stir in the minced garlic and cook for 1 minute until fragrant.
Step 3: Build the Casserole
Return the caramelized onions to the skillet with the beef. Stir in the uncooked rice, beef broth, Worcestershire sauce, thyme, salt, and pepper. Mix well to combine.
Bring the mixture to a simmer, then reduce the heat to low and cover. Cook for 15–20 minutes , or until the rice is tender and most of the liquid is absorbed.
Step 4: Add the Cheese
Preheat your oven to 375°F (190°C) .
Sprinkle the shredded mozzarella and Parmesan cheese evenly over the top of the casserole.
Step 5: Bake the Casserole
Transfer the skillet (or transfer the mixture to a baking dish) to the preheated oven and bake for 15–20 minutes , or until the cheese is melted and bubbly.
Step 6: Serve and Enjoy
Let the casserole cool slightly before serving. Garnish with fresh parsley if desired, and enjoy the cheesy, savory goodness!
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