Tony and Maribel

1. Boil the potatoes until soft, then cut them into bite-sized pieces.

2. Peel and chop the hard-boiled eggs.

3. Thinly slice the celery sticks and green onions.

4. Mix the potatoes, eggs, celery, green onions, and olives in a large bowl.

5. In a small bowl, combine the mayo, sour cream, mustard, salt, and pepper.

6. Pour the dressing over the potato mixture and gently stir to combine.

7. Chill in the refrigerator before serving.