In a large bowl, whisk together eggs, vinegar and salt, pepper. Stir in panko and let sit 1 minute. Stir in grated garlic and Parmesan, then parsley. Add sausage and beef and gently mix to combine.
STEP 2
Shape mixture into 20 balls (about 1 1/2 inches). Place in air fryer rack (balls can touch, but should not be stacked). Air-fry meatballs at 400°F 5 minutes.
STEP 3
Meanwhile, cook spaghetti per package directions.
STEP 4
In a bowl, toss tomatoes, chile and chopped garlic with oil and salt, pepper. Scatter over meatballs and continue air-frying until cooked through, 5 to 6 minutes more.
STEP 5
Toss meatballs and tomatoes with marinara, then gently with pasta. Serve topped with Parmesan and basil if desired.