Sorting embeded collection

gistfile1.txt

function getSortedIngredients()
{
  //workaround to sort ingredients by quantities collection
  $iterator = $this->ingredients->getIterator();
    $iterator->uasort(
    function ($a, $b) {
      return ($a->getQuantity() > $b->getQuantity()) ? -1 : 1;
    }
  );
  
  $ingredients       = new ArrayCollection(iterator_to_array($iterator));
  $this->ingredients = $ingredients;
}