Spinach-Stuffed Shells

Ingredients

• 24 jumbo macaroni shells
• 1 (32 oz.) jar spaghetti sauce with mushrooms
• 1 (10 oz.) pkg. frozen, chopped spinach, thawed and drained
• 2 c. Ricotta cheese
• 2 c. shredded Mozzarella cheese
• 1 small onion, diced
• 1/2 c. grated Parmesan cheese
• 2 Tbsp. chopped fresh parsley
• 1 tsp. dried oregano
• dash of hot sauce
• 1/4 c. grated Parmesan cheese