Step 1

Bring a pot of salted water to a boil. Add potatoes and cook until soft, approx 10 minutes. Drain.

Step 2

While the potatoes are boiling, combine red onion, green pepper, mustard, olive oil, vinegar and mayonnaise and season with salt and pepper.

Step 3

Once the potatoes are done, toss them into the bowl with dressing and add scallions and additional salt and pepper to taste.

Step 4

Serve room temperature or refrigerate until ready to serve.