Spiced Rutabaga, Potato, and Apple Purée

I’ve always suspected that when Scarlett O’Hara holds up a root vegetable in Gone with the Wind and proclaims defiantly, “I’ll never be hungry again,” what she’s cursing is not really a white turnip but an old, pithy, yellow rutabaga. Which is too bad since, when this member of the turnip family, neglected everywhere outside the South, is bought and prepared with care, no vegetable can be as flavorful or delicious. “Big yellows,” which, when young, have a thin, pale yellow skin and s