Start with one neighbourhood
Maxwell Food Centre and Chinatown Complex are highlighted by Singapore Tourism Board in its Chinatown guide. Make one of them part of a walk rather than crossing the city for a single heavily photographed dish.
Order a small first round
Look at the menus, portion sizes and current prices. If you are sharing with friends, choose a few different dishes and decide whether you want more afterwards. A short queue does not make a stall unworthy of attention, and a long queue is not a guarantee that its food suits your taste.
Respect the everyday setting
People may be eating quickly during a work break. Keep walkways clear, ask before sharing a table and follow the centre’s tray-return arrangements. Be considerate when taking photographs of stallholders or diners.
Handle dietary needs directly
Ask the stall about ingredients and preparation. Menu labels and photographs may not answer allergy questions. If an ingredient or cross-contact issue matters medically, use appropriate professional guidance and choose a setting that can answer reliably.
Make your own record
Note the dish, stall, price paid and date. That produces a more useful personal food map than collecting a list of supposedly essential places. Add another neighbourhood on a later day instead of trying every well-known centre at once.
Sources & further reading
Official sources support the factual background. Comparisons, route outlines and budgeting methods are editorial suggestions. Check changing details before travelling.