My grandmother’s refrigerator was tiny. Space was at a premium, and the freezer only held an ice cube tray. She spent labor-intensive hours canning, storing the results on shelves in the garage. The ...

When Pam Carson was a young mother in 1974, she canned some jam and fruit, and entered the results in the Utah State Fair — and won a first-prize ribbon for her raspberry jam. She kept competing, year ...