For the Vinaigrette, mix all ingredients in small bowl with wire whisk until well blended. Set aside.
Remove and discard stems and center ribs from kale. Coarsely chop kale (6 cups). Rinse kale with cold water. Drain well.
Toss kale and bell pepper in large bowl. Top with mandarin oranges, almonds and green onions. Drizzle with Vinaigrette. Let stand at room temperature 30 minutes to allow flavors to blend.