In a small bowl combine walnut pieces, pomegranate seeds, fennel tops, and 1 tablespoon of the Sparkling Vinaigrette; set aside.
In a large salad bowl combine salad greens, sliced fennel, kumquats, salt, and pepper. Drizzle with remaining Sparkling Vinaigrette. Toss gently to coat. Sprinkle the salad with the walnut mixture. Makes 10 side-dish servings.
In a blender container or small food processor bowl combine kumquats, sparkling white wine or chilled alcohol-free sparkling white grape beverage, walnut oil, shallot, salt, black pepper, and ground coriander or ground cardamom. Cover and blend or process until nearly smooth.