When the farmers' markets start in earnest in April and May, Minnesotans' pent-up desire for fresh, flavorful produce is answered immediately by rhubarb, spring onions, and tender lettuces. Within just a few weeks, the bounty has expanded exponentially and, before too long, those connected to a crop share or whose market basket is perhaps a bit too accommodating may be wondering: Just what should I do with fennel? And how can I possibly consume...