Sugared walnuts: In a small pan, saute walnuts and white and brown sugar over medium heat until walnuts are caramelized, stirring often (they will be light brown and coated with melted sugar), approximately 4-6 minutes. Spread the walnuts on foil or waxed paper. After they cool, break apart.
04For the dressing: Combine oil, vinegar, sugar, mustard, salt and garlic powder in a jar or container with a lid and shake well. Pour the dressing over the salad and toss.