National Center for Home Food Preservation
OSU: Canning tomatoes
Mother Earth News: Brew soda at home
Mother Earth News: Solar food dehydrator
Former Fat Guy Blog: Ultimate Guide to Freezing
Small Red House: Homemade yogurt
Seattle Times: Not all pounds are created equal Features conversions for common ingredients into pounds. Useful when you don’t have a scale.
What’s at market? (pdf) Chart of what’s in season, when.