In the meantime, no, we didn't have a moldy boat when we returned after spending 9 months back in the US.
One of the problems with buying local food is that there are countries with questionable water quality. One way to solve this problem is to grow your own food. We used to have a tomato plant but the yield is low for the effort required. Also, customs people don't like you bringing food things into their countries. There is a great cruiser book floating around called Sailing the Farm. It's a handy go-to guide for growing things onboard.
Our first project from the book was so easy. We went to the store and bought a large mason jar. The top was then replaced with some fly screen and that was the total extent of the hardware needed.
|It all starts like this|
Then drain and wash the beans. Put them in a dark cool place and rinse them every 8-12 hours for the next 3 days. We lay the jar on it's side to provide better air circulation.
|After 24 hours they get little shoots|
|After the end of the 2nd day|
|After the 3rd day|
|After the 4th day|
|Ready for cooking|
|It doesn't get any better than having freshly sprouted beans for dinner|