Ingredients
- Two 10-ounce packages chopped frozen spinach, thawed
- 3 tablespoons unsalted butter
- 3 tablespoons all-purpose flour
- 1 1/2 cups milk
- 1/2 teaspoon kosher salt
- 1/4 teaspoon freshly grated nutmeg
- 1/4 teaspoon ground black pepper
- 3 large eggs, separated
- 1/8 teaspoon cream of tartar
- 1/2 cup shredded Parmesan
- 1 cup grated Pecorino-Romano
- Nonstick cooking spray or additional softened butter, for the souffle dish
Personal Notes
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