Columbus the unwitting -- The colonial laboratory : Mexico ; Puerto Rico ; The Philippines ; The Spanish Main ; Northeast Brazil ; Peru -- The new world reshapes the old : France ; China -- Ingredients for change : tomatoes ; potatoes ; chilies ; chocolate ; manioc ; strawberries -- Rediscovering America -- U.S. colonial survivals : Olympia oysters ; wild rice ; apples ; native persimmons ; key limes ; corn ; Utah scones ; turkey ; filé ; mulberry ; chowder -- New(er) wrinkles in North and South America : Los Angeles's Grand Central Market ; tubers ; olives ; dates ; pistachios ; cherimoyas ; radicchio -- Revolution now -- Savory.