1 1/2 tablespoons finely chopped white part of scallion
1/2 teaspoon salt
1/4 teaspoon black pepper
1 (14-ounce) seedless cucumber (usually plastic-wrapped), sliced 1/8 inch thick
Directions
Stir together sour cream, horseradish, dill, scallion, salt, and pepper in a bowl, then stir in cucumber until coated. Let stand for 30 minutes to allow flavors to develop.