Savory French Onion and Beef Casserole
A comforting and indulgent casserole featuring layers of wide egg noodles, savory beef, sautéed onions, cremini mushrooms, and a melty cheese topping.
Ingredients
Main Ingredients
- 10 oz wide egg noodles tender and delicious
- 1 tablespoon olive oil smooth and fragrant
- 1.5 lb ground beef 85 percent lean, juicy and flavorful
- 2 medium yellow onions thinly sliced, sweet and aromatic
- 8 oz cremini mushrooms sliced, earthy and rich
- 3 cloves garlic minced, for that perfect aromatic kick
- 1 teaspoon fresh thyme leaves or 1/2 teaspoon dried thyme for added depth of flavor
- 1 teaspoon Worcestershire sauce enhancing the umami
- 1 can condensed French onion soup providing the classic flavor
- 3/4 cup beef broth adding moisture and richness
- 3/4 cup sour cream creating a creamy texture
- 1/2 teaspoon kosher salt to elevate the flavors
- 1/2 teaspoon black pepper for a mild spice
- 1.5 cups shredded Swiss cheese or Gruyere melty deliciousness on top
- 1 cup crispy fried onions for an extra crunch
- 2 tablespoons chopped fresh parsley optional, for vibrant color and freshness
Instructions
Preparation
- Preheat the oven to 375°F (190°C).
- Cook the wide egg noodles in salted water according to package instructions, stopping one minute shy of the recommended cooking time. Drain well and set aside.
Cooking
- In a large skillet, heat olive oil over medium-high heat. Add the ground beef and cook until browned, about 6-8 minutes.
- Sauté the onions and mushrooms in the skillet for 8-10 minutes until softened.
- Reduce the heat and add minced garlic, thyme, Worcestershire sauce, French onion soup, beef broth, sour cream, salt, and black pepper. Mix well until warmed through.
- Fold in the drained egg noodles until evenly coated.
- Pour the mixture into a greased 9x13-inch baking dish and spread evenly.
- Top with shredded Swiss cheese or Gruyere.
- Bake uncovered for 15 minutes, until bubbling and cheese is melted.
- Scatter crispy fried onions on top and return to the oven for an additional 5-8 minutes until golden brown.
- Remove from the oven, let rest for 5 minutes, and sprinkle with fresh parsley before serving.
Notes
For best results, consider browning the beef until it's nicely caramelized. Don't rush the onion and mushroom sautéing process; it will intensify their sweetness. For variations, consider adding vegetables like spinach or bell peppers or swapping in different cheeses.