Walnut halves, mandarin orange sections and fresh cranberries for garnish
Make relish: Place all relish ingredients in food processor and process until finely chopped. Reserve 1/2 cup and refrigerate remaining relish for another use.
In food processor, combine 1/2 cup reserved relish, honey, ginger and nutmeg, and blend. With machine running, slowly pour oil through feed tube until well blended. Transfer mixture to medium saucepan and heat over medium heat, stirring occasionally, until heated through.
Put spinach into large, shallow bowl. Pour dressing over salad and toss to coat. Garnish with walnuts, orange sections and cranberries.