| 4 1/2 pounds red-skinned potatoes |
| 1/2 teaspoon freshly ground black pepper |
| 1/4 cup dill pickle juice |
| 3 tablespoons coarse-grained Dijon mustard |
| 6 large hard-boiled eggs, chopped |
| 1 1/2 cups finely chopped green onions |
| 1 cup finely chopped celery |
| 3/4 cup chopped fresh parsley |
| 1/2 cup chopped dill pickle |
| 1/2 cup sliced pimiento-stuffed green olives |