Vegetarian Baked Spaghetti Casserole Recipe | Home Pressure Cooking

Ingredients

• 12 oz spaghetti (uncooked)
• 2 cups marinara sauce
• 1 cup ricotta cheese
• 2 cups shredded mozzarella cheese
• 1 cup grated Parmesan cheese
• 1 tbsp olive oil
• 1 medium onion (chopped)
• 2 cloves garlic (minced)
• 1 tsp dried basil
• 1 tsp dried oregano
• 1 tsp salt
• 0.5 tsp black pepper