How to stop coworkers from stealing your food in the office fridge

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

1. 1
   keeping a bottle on my desk and filling a glass full of ice when I feel like it
2. 2
   labelling the bottle with my name, marking the level, or wrapping it on a plastic bag
3. 3
   switching to single-use can/bottles of soft drink
4. 4
   stop bringing in fizzy drinks
5. 5
   Buying cheap cafeteria lunches instead
6. 6
   Talking to the person about not eating certain foods
7. 7
   Setting aside meal portions and putting them in a lunch bag or Tupperware in the fridge
8. 8
   Getting a mini fridge for your own space or work lounge
9. 9
   Labeling leftovers with your name or a note

In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.