Description
French Onion Soup Mac & Cheese combines the rich flavors of caramelized onions, savory broth, and a trio of cheeses into a comforting baked pasta dish.
Ingredients
- 12 oz elbow macaroni
- 3 large yellow onions, thinly sliced
- 2 tbsp olive oil
- 3 tbsp butter
- 2 cloves garlic, minced
- 3 tbsp flour
- 2 cups vegetable broth
- 2 cups whole milk
- ½ cup heavy cream
- 2 cups shredded Gruyère cheese
- 1 cup shredded sharp cheddar cheese
- 1 cup shredded mozzarella cheese
- 1 tsp salt
- ½ tsp black pepper
- 1 tsp fresh thyme (or ½ tsp dried)
- 1 cup breadcrumbs
- ½ cup grated Parmesan cheese
Instructions
- Preheat oven to 375°F (190°C).
- Cook macaroni according to package instructions, drain, and set aside.
- In a large skillet, heat olive oil and butter over medium heat. Add onions and cook until caramelized, about 20–25 minutes. Add garlic and cook 1 minute more.
- Sprinkle flour over onions and stir for 1–2 minutes.
- Gradually add vegetable broth, milk, and heavy cream, stirring constantly until smooth and slightly thickened.
- Remove from heat and stir in Gruyère, cheddar, and mozzarella until melted. Add salt, pepper, and thyme.
- Combine cheese sauce with cooked macaroni and pour into a greased baking dish.
- Top with breadcrumbs and Parmesan cheese. Bake 20–25 minutes until golden and bubbly.
Notes
- For extra flavor, add a splash of white wine to the onion mixture.
- Make-ahead: assemble casserole and refrigerate overnight, then bake before serving.
- Optional: garnish with fresh thyme leaves.
- Prep Time: 15 minutes
- Cook Time: 45 minutes
- Category: Dinner
- Method: Baking
- Cuisine: American