Wonderbag is a simple but revolutionary, non-electric portable slow cooker. It continues to cook food which has been brought to the boil by conventional methods for up to 12 hours without the use of additional electricity or fuel.
Wonderbag is a simple but revolutionary, non-electric portable slow cooker. It continues to cook food which has been brought to the boil by conventional methods for up to 12 hours without the use of additional electricity or fuel.