Fresh vegetables, herbs and spices feature strongly in Vietnamese cooking and you can find lots of good low-cal options when dining out on this cuisine. Fresh rice-paper rolls are a healthy choice as are stir-fry vegetables, meats, poultry, and tofu with steamed rice and salads, soups and steamed dishes.

Things to avoid include prawn fritters, deep-fried spring rolls, spare ribs, fried dishes or dishes with honey or caramel sauce.