1Heat oven to 400ºF. Mix all ingredients except salsa and green onions. Shape mixture into twenty 1 1/2-inch meatballs.
2Place in ungreased rectangular pan, 13x9x2 inches. Bake uncovered 20 to 25 minutes or until thermometer inserted in center of meatballs reads 165°F.
3In 2-quart saucepan, place salsa and meatballs. Heat to boiling, stirring occasionally; reduce heat. Cover and simmer about 15 minutes or until salsa and meatballs are hot. Sprinkle with green onions.