This vibrant pickled pineapple recipe combines the natural sweetness of fresh pineapple with a tangy vinegar brine and a gentle kick from fresh jalapeño. The quick pickling process transforms the tropical fruit into a versatile condiment that maintains its crunch while developing complex sweet-spicy-sour flavors. Perfect as a topping for tacos, grilled meats, or as a unique addition to charcuterie boards, this refrigerator pickle keeps for up to two weeks.