Survey Says Yes. The age-old debate about pineapple on pizza is still raging, and now pickles are becoming part of the argument too. A review of pizza trends by delivery app Slice predicts that pickles on pizza will be the next big thing. Data from the “Slice of the Union” says that mushrooms and Ranch dressing were both popular toppings in 2022 but claims pickles are growing and will continue to grow in popularity. Pickles are most often served on pizza with garlic sauce. Pickles on pizza – yes or no?