Smoked pork ribs are a traditional barbecue dish that is ideal for a summer cookout. To keep the ribs moist and flavorful while smoking, use a homemade dry rub and a simple spray made from apple cider vinegar and yellow mustard. Ingredients: Salt Black Pepper Paprika Onion Powder Chili Powder Yellow Mustard Brown Sugar Apple Cider Vinegar Garlic Powder Wood Chips Instructions: