Crockpot Ravioli Lasagna – Pinch Me Dining

Ingredients

• 1 pound ground beef
• 1 onion, diced
• 2 cloves garlic, minced
• 24 ounces jar marinara sauce
• 2 cups ricotta cheese
• 2 cups shredded mozzarella cheese
• 1 cup grated Parmesan cheese
• 2 tablespoons fresh basil, chopped
• 1 tablespoon fresh oregano, chopped
• 1 25-ounce package frozen cheese or meat ravioli
• Salt and pepper to taste
• Olive oil for cooking