Souffle

Ingredients:

• 3 tablespoons unsalted butter, plus extra for greasing the dish
• 3 tablespoons all-purpose flour
• 1 cup hot whole milk
• 1/2 teaspoon kosher salt
• 1/4 teaspoon freshly ground black pepper
• Pinch nutmeg
• 4 extra-large egg yolks, at room temperature
• 1/2 cup grated Gruyere cheese, plus extra for sprinkling
• 1/4 cup freshly grated Parmesan cheese
• 5 extra-large egg whites, at room temperature
• 1/8 teaspoon cream of tartar

Instructions:

1. Preheat the oven to 400 degrees F.
2. Butter the inside of a 1 1/2-quart soufflé dish and sprinkle evenly with grated Parmesan cheese.
3. Melt the butter in a small saucepan over low heat.
4. Add the flour and cook, stirring constantly, for 2 minutes.
5. Pour the hot milk into the butter and flour mixture and whisk until it comes to a boil.
6. Remove from the heat.
7. Add the salt, pepper, nutmeg, and egg yolks and whisk until well combined.
8. Stir in the Gruyere cheese.
9. In a separate bowl, whisk the egg whites and cream of tartar until they form stiff peaks.
10. Gently fold the egg whites into the cheese mixture until well combined.
11. Pour the mixture into the prepared soufflé dish and sprinkle with extra