Pickling is a process of preserving or flavoring food by soaking it in a mixture of vinegar, salt, and spices. It helps the food last for a longer time and gives it a tangy or sour taste. Full definition
And then of course all the delicious food you can eat these onions with... I highly recommend you keeping a jar of pickled onions at home all the time. (greenevi.com)
We've made a few batches of pickles with dill and spices and salt and filtered water. (healingforreal.com)
I have loved dill pickles for as long as I could remember. (createdby-diane.com)