So, I am starting to take multiple-use gear to the next level and use my titanium cups/bowls/pots for home food storage when I am not in the backcountry. I came up with a sewn lid design using using old ziploc bags:
Overall, I am really happy with how it turned out, and my wife likes it to! For more photos and details of how I did it, there is a write-up on my blog here. Let me know what you think!