(TrendHunter.com) The Dill Pickle Mustard by Trader Joe's is described as herbaceous and savory, thanks to the addition of natural pickle flavoring, dill weed and real pieces of diced-up pickles. The summer... (TrendHunter.com) The Dill Pickle Mustard by Trader Joe's is described as herbaceous and savory, thanks to the addition of natural pickle flavoring, dill weed and real pieces of diced-up pickles. The summer...