One of the biggest challenges to getting more unprocessed fruits and vegetables in our diets is the preparation time and making them fun and interesting to eat. The spiralizer, a hand-driven appliance favored by gourmet chefs and raw-food enthusiasts, is now getting its moment in the culinary spotlight, giving home cooks a way to slice and dice fresh produce quickly and creatively. Driven by an interest in paleo and gluten-free diets, many people...