Easy Spinach Soufflé – New Mexico Farmers' Marketing Association

Ingredients

• 1½ tablespoons plus 4 tablespoons softened butter, divided
• 3 tablespoons grated Parmesan cheese
• 1 pound spinach, stemmed and finely chopped
• 2 tablespoons all-purpose flour
• ½ teaspoon salt
• 1 cup whole milk
• 1/8 teaspoon ground black pepper
• 1/8 teaspoon grated nutmeg
• 3 eggs, separated