You may divide into single servings and take to work.
Combine onion soup mix, yogurt, and mayonnaise. Stir well, cover and refrigerate for at least 1 hour. Mix in tuna. Divide salad ingredients among 4 serving plates or containers with snap-on lids. Divide tuna mixture into 4 portions and spoon over salad vegetables. Serve or transport in bowls with fitted lids. Serve grapes for dessert or right in the salad. Variations *Replace Onion dip mix with Garlic Herb flavored dip mix.