var config = [
  {
    options:["Butter","Milk","Margarine","Cheese"],
    default:["Butter"],
    width: 200
  },
  {
    options:["1oz","2oz","3oz","4oz","5oz","6oz","7oz","8oz"],
    default:["1oz"],
    width: 100
  }
]

var success = function(selections) {
  console.info("Ingredient: " + selections[0] + ", Qty: " + selections[1]);
}

var error = function(e) {
  console.error(e);
}

PickerView.show(config).then(success,error);