Like a cross between a vinegar-based coleslaw and chowchow, Permanent Slaw is tender and tangy. This easy salad is designed to be prepared in advance. Made with finely shredded angel hair cabbage, carrot, bell pepper, sweet onions, and a sweet and sour apple cider vinegar dressing, the longer this side dish sits, the more flavorful it becomes (hence the name). Serve the dish on its own at a cookout (it's delicious with grilled chicken or pork) or use it to top pulled pork or chicken…