Crockpot Lasagna

Bahan-bahan (8 porsi)

• 9 lasagna noodles (uncooked)
• 2 cups shredded mozzarella cheese
• ½ cup grated Parmesan cheese
• 1 pound lean ground beef
• 1 small onion (diced)
• 4 cloves garlic (minced)
• 1 (36 ounce) jar marinara sauce
• 1 (15 ounce) can petite diced tomatoes (with juices)
• 1 teaspoon Italian seasoning
• 24 ounces ricotta cheese ( or cottage cheese)
• 1 cup shredded mozzarella cheese
• ¼ cup grated Parmesan cheese
• 1 egg