Bacon Potato Salad

6 cups diced cooked potatoes
1/4 to 1/2 pound bacon, cooked crisp and crumbled
3 or 4 stalks celery, sliced thinly
1 medium onion, diced
Pepper, to taste
Mayonnaise, to taste

Combine all ingredients, adding mayonnaise to the creaminess desired. Chill and serve.