Short-Cut Beef Lasagna - SavvyMom

Ingredients

• 1 lb (4 cups) rigatoni pasta
• 1 Tbsp Canola oil
• ½ onion, finely chopped
• 1 tsp minced garlic
• 1 lb (.453 kg) lean ground beef
• 1 (900ml) jar pasta sauce
• 1 (796ml) can diced tomatoes
• 1 Tbsp dried oregano
• Salt and pepper
• ½ cup grated parmesan cheese
• 2 eggs, beaten
• ¼ tsp nutmeg
• 1 container ricotta or cottage cheese
• 2 cups grated mozzarella cheese
• 1 pkg frozen spinach, thawed and squeezed to remove excess water