Chicken and Spinach Ravioli

INGREDIENTS

• 4 eggs, beaten
• 3/4 cup water
• 3 3/4 cups sifted all-purpose flour
• 1 1/2 teaspoons salt
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• 1/2 pound ground chicken
• 3/4 cup chopped fresh spinach
• 2 tablespoons finely chopped onion
• 3 tablespoons melted butter
• 3 tablespoons freshly grated Asiago cheese
• 1/4 teaspoon salt
• 1/4 teaspoon garlic powder
• 1/8 teaspoon ground nutmeg
• 1 pinch ground black pepper to taste
• 1 (16 ounce) jar marinara sauce
• 1/4 cup freshly grated Asiago cheese for topping