Pickling vs Fermenting — what’s the difference? Are all dill pickles the same? 🥒🧅 The key difference is the source of acidity. In vinegar pickling, veggies are soaked in a vinegar-based brine which creates all the flavor. The tangy taste comes from the vinegar, not a biological process. This method is quick and usually ready within a few hours or days, but it doesn’t create probiotics. Fermenting, on the other hand, preserves food through the activity of beneficial microbes. The veggies are su