Mediterranean Red Potato Salad Recipe

2 pounds small red potatoes

unpeeled

cooked

cooled

and cut in bite-size pieces

1 pint grape tomatoes

halved

1 cup sliced celery

1 cup sliced green onions

with green

½ cup basil leaves

shredded

2 garlic cloves

crushed

2 tablespoons white balsamic vinegar

or other white vinegar

6 tablespoons extra-virgin olive oil

2 teaspoons Dijon mustard

Salt and freshly ground black pepper

to taste