Trail food
How to dehydrate backpacking meals worth the weight
Aim for 400 to 500 calories per 100 g dry. Below that you are carrying packaging and disappointment. The other number that matters is how much water you need to serve it.
Recipes
Batches worth making twice.
Preserving a glut
How to make tomato powder from a glut, or just the skins
Sixteen kilos of tomatoes make about a kilo of powder. It replaces paste, thickens sauce and seasons everything, and you can make it from the skins you would have thrown away.