Food Safety Report: La Perla, Restaurant La Perla, Leuvensesteenweg, Zaventem, Belgium 10 months ago • details 2 Comments Comment Suspected food poisoning. Symptoms: Nausea, Vomiting, Cramps, Headaches Suspected source: Black truffle paw with butter Onset: Less than 4 hours Duration: 12 to 24 hours Sick: Me Sick: Me Additional information: That's all