Nonna's Homemade Ravioli

Bahan-bahan (400 porsi)

• extra-virgin olive oil
• 2 pounds beef, (twice ground)
• 1/2 pound veal, (twice ground)
• 1/2 pound pork, (twice ground)
• 1/2 cup finely chopped onion
• 1/2 cup finely chopped celery
• 1 tablespoon garlic (crushed)
• Salt and pepper to taste
• 32 ounces chopped frozen spinach, (thawed and pressed dry)
• 16 ounces ricotta cheese
• 2 eggs (lightly beaten)
• 1 3/4 cup bread crumbs
• 2 tablespoons all-purpose flour
• 1/2 cup grated cheese
• 1 teaspoon nutmeg
• 3 eggs
• 3 cups all purpose flour
• 1/2 cup water (or a mixture of water and milk)
• 1 tablespoon vegetable oil