Lasagna

Ingredients

• 2 tablespoons vegetable oil
• 15 dry lasagna noodles
• 3 tablespoons extra virgin olive oil
• 1 lb ground beef
• 1 teaspoon black pepper
• 3 18 tablespoons butter
• 13 cup flour
• 2 12 cups whole milk
• 13 cup olive oil
• 1 14 small onions
• 1 14 garlic cloves
• 1 14 celery ribs
• 1 14 carrots
• 40 ounces crushed tomatoes
• 1 12 lbs part-skim ricotta cheese
• 3 large eggs
• 2 tablespoons butter
• 20 ounces spinach
• 3 cups mozzarella cheese
• 14 cup parmesan cheese