In a large bowl, whisk together mayonnaise, sour cream, vinegar, mustard, and sugar until blended. Add coleslaw mix, radishes, and scallions. Toss ... with salt and pepper.
In a large bowl, whisk together oil, vinegar, mayonnaise, celery salt, and pepper until blended. Add coleslaw mix, apple, grapes, and walnuts. ... at least 1 hour.
In a large bowl, stir together mayonnaise, sugar, vinegar, salt and pepper until smooth. Add coleslaw mix, mango, pineapple, scallion, mint ... until ready to serve.