Chicken Croquettes ? Recipe

Ingredients

• 4 tablespoons unsalted butter, room temperature
• 1 tablespoon white onion, chopped finely
• 1/2 cup all-purpose flour, divided
• 1 cup whole milk, room temperature
• 1/4 teaspoon nutmeg
• 1 tablespoon dry cooking wine
• 1 pound cooked chicken,
• 2 large eggs, beaten
• 1 cup bread crumbs
• vegetable oil
• salt and pepper to taste