Mornay Sauce
The classic French cheese sauce — béchamel enriched with melted Gruyère and Parmigiano-Reggiano, silky, golden, and irresistibly creamy, the essential base for croque monsieur, gratins, and the ultimate macaroni and cheese.
| Amount | Ingredient |
|---|---|
| 2 tbsp unsalted butter | |
| 2 tbsp all-purpose flour | |
| 1½ cups (360 ml) whole milk, warm | |
| ½ cup (50 g) Gruyère cheese, finely grated | |
| ¼ cup (25 g) Parmigiano-Reggiano, finely grated | |
| ¼ tsp freshly grated nutmeg | |
| Salt and white pepper |
Mornay sauce is what happens when you take a perfectly smooth béchamel and stir in good melted cheese — it transforms from a simple white sauce into something luxurious, nutty, and golden. Named after the Duc de Mornay, it is one of the most useful sauces in the French repertoire: use it to bind a croque monsieur, blanket a cauliflower gratin, or make the grown-up mac and cheese that will haunt your dreams. The choice of cheese matters: Gruyère provides nuttiness and superior melting, while Parmigiano adds sharp, salty depth. A pinch of nutmeg is the traditional finishing touch.
Preparation
- Make the roux: Melt butter in a saucepan over medium heat. Whisk in flour and cook for 1 to 2 minutes until pale and foamy — do not let it brown.
- Add milk: Gradually whisk in warm milk. Bring to a gentle simmer, whisking constantly, until thickened — about 3 minutes.
- Add cheese: Remove from heat. Stir in grated Gruyère and Parmigiano until fully melted and smooth.
- Season: Add nutmeg, salt, and white pepper. Use immediately, or press plastic wrap onto the surface to prevent a skin.
Chef's Tips
- Use freshly grated cheese — pre-shredded contains anti-caking agents that make the sauce grainy.
- Keep the heat moderate — boiling can cause the cheese to separate.
- For a richer sauce, replace ½ cup (120 ml) milk with heavy cream.
| Storage | Method |
|---|---|
| Refrigerator | Store in an airtight jar for up to 1 week. |
| Per Serving (2 tbsp / 30 ml) | |
|---|---|
| Calories | 120 |
| Fat | 11 g |
| Carbohydrates | 3 g |
| Protein | 2 g |
Nutrition values are approximate.
Recipe from "The Italian Kitchen" by Vita Milanese — Volume 2: Sunday Sauce
Recipe from The Italian Kitchen by Vita Milanese — Volume 2 · Sunday Sauce. Discover all volumes on the ebook page.