Best Copycat Olive Garden Meatballs - How to Make Olive Garden Meatballs

Ingredients

• Cooking spray
• 2 large eggs
• 2/3 c. (100 g.) plain dried bread crumbs
• 1/2 c. whole milk
• 2 tsp. Italian seasoning
• 1 1/2 tsp. kosher salt
• 1 tsp. freshly ground black pepper
• 1 tsp. garlic powder
• 1 tsp. onion powder
• 1 lb. ground beef, preferably 80% lean
• 2 tbsp. extra-virgin olive oil
• 1 large yellow onion, finely chopped
• 2 tbsp. plus 2 tsp. kosher salt, divided
• 3 tbsp. tomato paste
• 4 cloves garlic, finely chopped
• 2 (28-oz.) cans diced tomatoes
• 1 1/2 tsp. dried basil
• 1/2 tsp. dried oregano
• 2 tsp. granulated sugar
• 1 lb. spaghetti
• 1/4 c. chopped fresh parsley
• Finely grated Parmesan, for serving