 Are you listening to this while cutting an avocado? Put down that knife and pay attention. It could keep you from getting hurt. At Mango's Tropical Cafe in South Beach, fresh guacamole is always on the menu. We do guacamole every single day. Executive Chef Gino Landa says the restaurant goes through more than 300 avocados a day. Landa knows his way around the fruit, but that wasn't always the case. They've been the source of hand injuries.