Gelatinizing Starch in an Emergency

I've been thinking more about disaster preparedness recently , and an important piece of that is food . And for many foods, before you can eat them you need to cook them. For example, a large fraction of the calories in our house are dry rice and pasta. These have ungelatinized starch, where the nutrition is bound up very tightly in starch granules. We mostly can't digest these as-is, but heat and…