Almost Fat-Free Green Onion Potato Salad

By Chef John

4.08 / 5

15min

25min

2 pounds red potatoes
2 tablespoons olive oil
1 bunch green onions chopped, dark green parts separated from white and light green parts
3 cloves minced garlic
¾ cup plain yogurt
1 teaspoon prepared yellow mustard
1 pinch cayenne pepper
salt and freshly ground black pepper to taste