This thickened stainless steel square plate integrates multiple functions as a meal prep tray, cold dish serving plate, tiramisu baking tray and food fresh keeping container. Made of premium thick stainless steel material, the tray features solid anti-deformation structure, smooth polished surface that resists oil, stains and rust for long-term daily use. The flat square design makes stacking simple to save cabinet space, and the seamless surface allows quick hand washing without residual food residue. It can hold prepared ingredients before cooking, serve cold dishes and rice for meals, hold tiramisu during production, or store leftover food as a fresh keeping box at home, suitable for home kitchens, restaurants and catering service scenarios.