Spaghetti With Homemade Meatballs

• 3 tablespoons olive oil
• 1 yellow onion, finely diced
• kosher salt
• fresh ground black pepper
• 3 garlic cloves, minced
• 2 cups torn pieces crustless white bread (1/2-inch pieces)
• 12 cup buttermilk
• 2 lbs ground beef
• 14 cup chpped fresh flat-leaf parsley
• 1 teaspoon finely chopped fresh thyme
• 5 ounces mozzarella cheese, cut into 1-inch cubes
• 7 cups tomato sauce
• 1 12 lbs spaghetti, cooked and drained
• grated parmigiano-reggiano cheese, for serving

1. In large saute pan over medium heat, warm 1 tablespoons oil.
2. Add onion and salt; cook 10 minutes.
3. Add garlic, cook 1 minute.
4. Let cool.
5. In bowl, combine bread and buttermilk.
6. Add beef, onion mixture, parsley, thyme, 2 1/2 tsp salt and 1/2 teaspoons pepper; mix with hands until cohesive.
7. Form into 10 meatballs.
8. Stuff cheese cubes into center of each on; reroll meatball.
9. In same pan over medium-high heat, warm 2 tablespoons oil.
10. Brown meatballs in 2 batches, 8 minutes per batch.
11. Transfer to plate.
12. Pour tomato sauce into pan; add meatballs.
13. Simmer over medium heat, turning meatballs once, until cooked through, 25-30 minutes.
14. Serve spaghetti in bowls; top with sauce and meatballs.
15. Pass cheese alongside.

olive oil, yellow onion, kosher salt, fresh ground black pepper, garlic, white bread, buttermilk, ground beef, parsley, thyme, mozzarella cheese, tomato sauce, cheese

Taken from www.food.com/recipe/spaghetti-with-homemade-meatballs-407642 (may not work)