For dressing zest oranges to get about 2 teaspoons. Juice oranges to get about a 1/2 cup of juice (orange juice works just fine as well.) Combine zest, mayonnaise, mustard, sugar, salt, pepper and garlic in bowl. Whisk until smooth. Whisk continuously and add orange juice in a thin, steady stream. Set aside.
Combine all salad ingredients and toss with dressing. (Note: add as much dressing to your liking, the whole batch may be too much for some.).