Potato, Avocado and Cherry Tomato Salad

15 cherry tomatoes

cup finely chopped red onion

Vinaigrette dressing

1 ripe avocado

Salt and pepper to taste

Remove skin and thinly slice cooked potatoes. Add cherry tomatoes, onion and vinaigrette dressing and toss salad until coated with dressing. Chill salad before tasting then add salt and pepper as needed. Peel and cut avocado in half lengthwise just before serving. Remove avocado pit, remove peel and slice avocado flesh. Place avocado slices on top of salad before serving.