CHOP white and green parts of the onions plus the coleslaw mix in a food processor until it is finely chopped.
ADD ground meat and all other ingredients. Mix with hands or a spatula. Be careful not to overmix, which will make your meatballs less tender.
SHAPE into 30, 1.5 tablespoon meatballs. We use a 1.5 tablespoon meat or cookie scoop to scoop, then roll gently with our hands.
AIR FRY in a single layer at 375°F for 8-10 minutes or until cooked through and browned.
Or BROIL in the oven on a rimmed baking sheet lined with parchment and a cooling rack set inside for 10-12 minutes, until browned, flip and then broil the other side for 2-3 minutes.
MAKE sauce while meatballs are cooking by placing a small pot over medium heat. Add minced garlic and cook 2-3 minutes until lightly browned and fragrant. Add all other ingredients and simmer for 5 minutes. Then blend the entire mixture until smooth.
TOSS meatballs with sauce or serve it separately as a dipping sauce.
FREEZE by storing meatballs, not covered in sauce, in a sealed container for up to 3 months. Store sauce separately in an airtight container in the freezer for up to 3 months as well.