Or make quick pickled red onions, which are delicious mixed into salads or in tacos. (luvoinc.com)
Here's a recipe for quick pickled red onions if you want to make them, and here's one for pickled red cabbage, which would have been good too. (luckystaranise.com)
1 14 - ounce can black beans, or equivalent cooked from dried Avocado, sliced Quick pickled red onions * and or serranos ** Scallions, thinly sliced Crumbled feta or cotija cheese, optional (101cookbooks.com)