12 ounces ziti cooked according to package directionsone 14. peeled and diced smallâ (about 1â medium onion)3 garlic cloves, peeled and finely mincedone 14-ounce can low-sodium vegetable stock1 cupâ silk unsweetened cashewmilkâ (silk unsweetened vanilla almondmilkâ or another milk may be substituted)2 tablespoons all-pur