Japanese Cucumber Salad

INGREDIENTS

• 1 Tbs. black or white sesame seeds
• 1 lb. Japanese cucumber, peeled, halved
• lengthwise and seeded
• 1/2 tsp. kosher salt, plus more, to taste
• 3 Tbs. rice vinegar
• 1/2 tsp. sugar
• 1 tsp. sesame oil
• 2 Tbs. scallions, thinly sliced diagonally
• 1 Tbs. thinly sliced fresh shiso leaves or mint
• Freshly ground pepper, to taste