Stop cutting your pineapple wrong. You're likely using the wrong knife to cut your pineapple and you're probably doing it the hard way. Cutting up a pineapple can be quick and easy, and you won't waste too much fruit if you learn to do it correctly. When I learned this method of cutting pineapple, I never went back to any other way. This pineapple cutting technique saves you time, accidents and wasted fruit.