Lasagna Baked Spaghetti Squash - Nonna Pia's US

Ingredients

• 1 large spaghetti squash (approx 4 pounds)
• 1 tsp olive oil
• 1 onion – diced
• 2 cloves garlic – minced
• 1 pound ground Italian Sausage
• 1 ½ teaspoons salt, divided
• 1 (19.4oz) Nonna Pia’s Arrabiata Sauce
• 1 500g ricotta cheese
• ¼ cup parsley, chopped
• 1 1/2 cup shredded mozzarella
• ½ cup of grated parmesan cheese
• Chopped parsley to garnish