As you make your way north of Friendship Island in Hello Kitty Island Adventure, you'll discover Gemstone Mountain, a dry region home to cactus plants and crystal mines. If you explore the area, you're likely to find new ingredients for crafting recipes. One of these is Cactus Cream, the key ingredient for any dessert you want to make in Island Adventure. There are plenty of 3-heart gifts that can be made with this useful resource, so knowing where they spawn can come in handy.