Getty A Reddit user is sparking a conversation around bringing outside foods into restaurants after revealing they brought their own tea bag into a restaurant and were advised not to do so.

Matcha latte in a ceramic cup with matcha powder and a bamboo whisk - mydesign94/Shutterstock ...

Green tea differs from black tea in that the leaves haven’t been allowed to oxidise. Instead, the semi-dried leaves are either steamed or “pan-fired” (dry-heated) to deactivate the enzymes ...