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Mornay Sauce

Classic Mornay sauce is a rich, creamy béchamel-based cheese sauce that elevates any meal with its comforting texture and cheesy flavor.
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Prep Time 10 minutes
Cook Time 15 minutes
Total Time 25 minutes
Servings: 4 servings
Course: Sauce, Side Dish
Cuisine: French
Calories: 200
Ingredients Method Notes

Ingredients
  

For the sauce
  • 2 cups whole milk Adds creaminess and creates a smooth texture.
  • 1 teaspoon salt Enhances the overall flavor of the sauce.
  • 4 tablespoons butter Provides richness and helps create the roux.
  • 1/4 cup flour Thickens the sauce, giving it body and structure.
  • 1/4 teaspoon pepper Adds a touch of spice and depth to the flavor.
  • 1 cup grated cheese Introduces cheesiness and flavor; options include Gruyère, Swiss, or Parmesan.
  • 1/4 teaspoon nutmeg Optional aromatic spice that enhances flavor complexity.
  • 1 tablespoon butter Additional butter for a finishing touch, enhancing creaminess.

Method
 

Preparation
  1. In a small saucepan, add whole milk and salt, whisk together, and heat until just boiling.
  2. In a heavy-bottomed saucepan, melt butter over low heat, blend in flour, and cook slowly while stirring continuously until it becomes a white roux.
  3. Remove the roux from heat and pour in the hot milk while whisking vigorously to ensure a smooth blend.
  4. Place the mixture back on medium heat, stirring until the sauce comes to a boil, then boil for 1 minute.
  5. Remove from heat, add salt, pepper, and grated cheese, stirring until cheese is fully melted.
  6. Season with nutmeg and adjust salt and pepper, then stir in remaining butter until melted. Serve warm.

Notes

This creamy sauce pairs well with pasta, vegetables, and is perfect for meal prep. Store leftovers in an airtight container for up to three days.