1. Rinse, peel (if desired) and thinly slice 1 English cucumber (12 oz.). In a bowl, mix cucumber with 1 teaspoon salt. Let stand until cucumber is wilted, about 45 minutes. Rinse and drain; squeeze excess liquid from cucumber and return to rinsed bowl.
2. Add 2 tablespoons white distilled vinegar, 1 tablespoon Asian sesame oil, 2 tablespoons sugar, and salt and pepper to taste. Serve at room temperature or cold.
3. Shortly before serving, sprinkle salad with about 1 tablespoon toasted sesame seeds.