6 tablespoons reduced-fat sour cream |
1/2 teaspoon freshly grated lemon zest |
4 teaspoons prepared horseradish |
1/8 teaspoon freshly ground black pepper |
1 english cucumber, cut into 30 slices |
8 ounces smoked or cured salmon, cut into thin strips (about 30) |
2 tablespoons chopped fresh chives |