From conch to lotus root and snails, these unusual but affordable canned foods can be a passport to adventure in the kitchen. Other delicacies include the corn-fungus treat cuitlacoche ...

From conch to lotus root and snails, these unusual but affordable canned foods can be a passport to adventure in the kitchen. Other delicacies include the corn-fungus treat cuitlacoche ...

2. Lentil crisps Image: Pawel Pacholec/Flickr. The humble packet of crisps: a savoury snack that has graced packed lunches and picnic boxes for years.