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French Onion Lasagna

French Onion Lasagna


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  • Author: Paula
  • Total Time: 1 hour 10 minutes
  • Yield: Serves approximately 6 people 1x

Description

Indulge in the comforting flavors of French Onion Lasagna, a delightful spin on a classic Italian favorite. This irresistible dish layers tender lasagna noodles with luscious caramelized onions, creamy béchamel, and rich cheese that melts beautifully in the oven. Perfect for family gatherings or a cozy dinner at home, this lasagna is sure to be a crowd-pleaser. With its unique combination of savory ingredients and satisfying textures, each bite offers a warm embrace of flavor that leaves everyone wanting more.


Ingredients

Scale
  • 1 lb lasagna noodles
  • 8 oz mozzarella cheese, grated
  • 6 cups sourdough bread, cubed
  • 1/4 cup olive oil
  • 1/4 cup butter
  • 3 yellow onions, sliced
  • 4 cups whole milk
  • 2 cups gruyere cheese, grated
  • 1 quart beef stock
  • Fresh thyme

Instructions

  1. Preheat your oven to 375°F. Prepare your lasagna pan for assembly.
  2. Toss cubed sourdough bread with olive oil and garlic granules; bake until golden brown.
  3. Cook lasagna noodles according to package instructions; set aside.
  4. Sauté onions in butter until caramelized; stir in flour and beef stock with thyme.
  5. Make béchamel by creating a roux with butter and flour, then whisking in milk and melted gruyere cheese.
  6. Layer onion filling, noodles, croutons, and béchamel sauce in the lasagna pan; repeat layers.
  7. Top with remaining cheese and bake for 35–40 minutes until golden.
  • Prep Time: 30 minutes
  • Cook Time: 40 minutes
  • Category: Main
  • Method: Baking
  • Cuisine: Italian

Nutrition

  • Serving Size: 1 slice (200g)
  • Calories: 450
  • Sugar: 4g
  • Sodium: 720mg
  • Fat: 22g
  • Saturated Fat: 12g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 45g
  • Fiber: 3g
  • Protein: 20g
  • Cholesterol: 60mg