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–+ servings
French Onion Soup Mac & Cheese

French Onion Soup Mac & Cheese: Comforting Flavor Fusion

Experience the delightful fusion of French onion soup and macaroni and cheese with this Vegetarian French Onion Soup Mac & Cheese recipe.
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Prep Time 15 minutes
Cook Time 45 minutes
Cooling Time 5 minutes
Total Time 1 hour 5 minutes
Servings: 6 servings
Course: Soups
Cuisine: French
Calories: 540
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Pasta
  • 8 ounces elbow macaroni can swap for penne or rigatoni
For the Onions
  • 2 tablespoons butter or olive oil for a dairy-free option
  • 2 medium onions any variety (yellow, red)
For the Cheese Sauce
  • 1 cup milk or use half-and-half
  • 1 cup cream or use half-and-half
  • 1 cup shredded Gruyère cheese Swiss or fontina can be substituted
  • 1 cup shredded cheddar cheese opt for sharp cheddar for more depth
  • 1 cup shredded mozzarella cheese replace with provolone for similar meltiness
  • 2 cups vegetable broth mushroom broth offers extra umami flavor
For the Topping
  • 1 cup breadcrumbs panko or crushed crackers make a good variation

Equipment

  • large skillet
  • Pot
  • oven-safe baking dish

Method
 

Step-by-Step Instructions
  1. Melt butter in a large skillet over medium heat, add onions, and cook for 30-40 minutes until golden and caramelized.
  2. Boil salted water and cook elbow macaroni according to package instructions until al dente, about 7-9 minutes. Drain and set aside.
  3. Combine milk and cream in a separate pot over medium heat, whisk in the cheeses gradually until smooth and bubbling.
  4. Fold cooked macaroni into cheese sauce, add caramelized onions, and stir to coat.
  5. Preheat oven to 375°F (190°C). Transfer mixture to a greased baking dish, sprinkle breadcrumbs and extra cheese on top.
  6. Bake for 20 minutes until golden brown, keeping an eye to ensure topping doesn't burn.
  7. Let cool for 5 minutes before serving alongside a salad or as a hearty main.

Nutrition

Serving: 1servingCalories: 540kcalCarbohydrates: 45gProtein: 20gFat: 30gSaturated Fat: 18gPolyunsaturated Fat: 1gMonounsaturated Fat: 10gCholesterol: 70mgSodium: 800mgPotassium: 400mgFiber: 2gSugar: 5gVitamin A: 500IUVitamin C: 5mgCalcium: 500mgIron: 2mg

Notes

Optionally add herbs or vegetables to customize. For best results, use freshly shredded cheese and taste before serving.

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