A Simple Tip for Beautiful Soufflés My Foolproof - Kitchen20

Ingredients

• 2 tablespoons (30g) unsalted butter, softened
• 2 tablespoons (25g) grated Parmesan cheese
• 4 tablespoons (56g) unsalted butter
• 1/4 cup (30g) all-purpose flour
• 2 cups (475ml) whole milk, warmed
• 1/4 teaspoon salt
• 1/4 teaspoon freshly ground black pepper
• Pinch of nutmeg
• 1/2 cup (50g) Gruyere cheese, grated
• 1/2 cup (50g) sharp cheddar cheese, grated
• 4 large egg whites, room temperature
• 1/4 teaspoon cream of tartar