Reply To: Food and Shopping List For Linux
Keep it simple (never try and computerise something without a very good idea of what you want)
A magnetic white board at each location.
Write down commodity and number, amend the number as you take in or out. A wood-working man of your calibre should be able to make an attractive but functional addition to your kitchen fixtures.
Glue high power neodymium magnets to hold the white board. This company has a very attractive range of strong magnets (some can easily hold a large hammer).