Sagwa-sikcho (사과식초), or Korean apple vinegar, is a mild and fruity vinegar made from fermented apples. This staple condiment from Otogi has a gentle acidity and a subtle sweetness that distinguishes it from harsher Western vinegars. Its clean, crisp flavour makes it incredibly versatile for a wide range of culinary applications. Use it to create a base for salad dressings, to add a bright note to dipping sauces for dumplings, or to tenderise meats in marinades for dishes like bulgogi. It's also commonly used for making pickles, known as jangajji (장아찌), preserving vegetables like radishes and cucumbers with a tangy finish. For a simple vinaigrette, whisk this apple vinegar with a touch of soy sauce, sesame oil, and a little sugar. This vinegar is a fundamental component in any Korean pantry, valued for its ability to balance flavours without overpowering them.