Mix the sour cream, mayo and juice from one lime In a bowl. If you have a squeeze bottle place the crema in that, otherwise place in a plastic bag and cut a small piece of the corner out. Thinly shave your jalapeños. It’s important that it’s thin so the heat doesn’t overwhelm the flavour. In a zigzag motion cover the corn with the sour cream. Then top with shaved jalapeño, crumbled queso fresco cheese and fresh cilantro.