Baked Ravioli

INGREDIENTS

• 2 tablespoons olive oil
• 1 medium onion, chopped
• 3 cloves garlic, minced
• Coarse salt and freshly ground pepper
• 1 1/2 teaspoons dried thyme, or oregano
• 1 can (28 ounces) whole tomatoes
• 1 can (28 ounces) crushed tomatoes
• 2 pounds store-bought frozen ravioli
• 1 1/2 cups shredded mozzarella
• 1/2 cup grated Parmesan cheese