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French Onion Mac & Cheese


  • Author: William Cantor
  • Total Time: 1 hour
  • Yield: 6 servings
  • Diet: Vegetarian

Description

Rich, creamy, and perfectly caramelized – this French Onion Mac & Cheese combines the flavors of French onion soup with the comfort of baked mac and cheese.


Ingredients

Elbow Macaroni: 12 ounces

Onions: 3 large yellow, thinly sliced

Olive Oil: 2 tablespoons

Butter: 3 tablespoons

Garlic: 2 cloves, minced

Flour: 3 tablespoons

Vegetable Broth: 2 cups

Milk: 2 cups whole

Heavy Cream: 1/2 cup

Gruyère Cheese: 2 cups shredded

Sharp Cheddar Cheese: 1 cup shredded

Mozzarella Cheese: 1 cup shredded

Salt: 1 teaspoon

Black Pepper: 1/2 teaspoon

Thyme: 1 teaspoon fresh (or 1/2 teaspoon dried)

Breadcrumbs: 1 cup

Parmesan Cheese: 1/2 cup grated


Instructions

1. Preheat oven to 375°F (190°C) and butter a baking dish.

2. Heat olive oil and 1 tablespoon butter in a skillet. Add onions and cook over medium heat, stirring often, until caramelized (25–30 minutes). Stir in garlic and thyme.

3. Add remaining butter and stir in flour to make a roux. Slowly whisk in broth, then milk and cream until smooth.

4. Stir in Gruyère, cheddar, and mozzarella until melted. Season with salt and pepper.

5. Toss al dente pasta with sauce and onions.

6. Transfer to a baking dish. Top with breadcrumbs mixed with Parmesan.

7. Bake 20–25 minutes until bubbly and golden. Let rest 5 minutes, garnish, and serve hot.

Notes

Use a combination of Gruyère and cheddar for the richest flavor. For extra crunch, toast breadcrumbs before baking.

  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Category: Dinner
  • Method: Baked
  • Cuisine: French-American Fusion

Nutrition

  • Serving Size: 1 cup
  • Calories: 480
  • Sugar: 6g
  • Sodium: 740mg
  • Fat: 28g
  • Saturated Fat: 16g
  • Unsaturated Fat: 10g
  • Trans Fat: 0g
  • Carbohydrates: 35g
  • Fiber: 2g
  • Protein: 20g
  • Cholesterol: 90mg

Keywords: French Onion Mac & Cheese, caramelized onion pasta, cheesy baked dinner, sophisticated comfort food