Step 1

Place potatoes in a large pot with just enough water to cover; bring to a boil over high heat. Cook 25 to 30 minutes, or until fork-tender. Drain and cool slightly.

Step 2

Meanwhile, in a large bowl, combine sour cream, mayonnaise, onion powder, salt, and pepper; mix well.

Step 3

Cut potatoes into chunks and add to sour cream mixture. Add eggs, bell pepper, and celery; toss gently until well combined.

Step 4

Chill 2 to 3 hours before serving.