Jewels Turkey-Jasmine Burgers

Cucumber salad:

• 1 cucumber, peeled and thinly sliced rounds
• 1/2 red onion, thinly sliced
• 1/4 cup rice vinegar
• 1/8 cup sugar
• 1 teaspoon salt

Burger:

• 1 1/4 pounds ground turkey
• 1/3 cup steamed jasmine rice
• 1/4 cup panko
• 1/4 cup thinly sliced green onions
• 1 large egg
• 1/2 teaspoon sesame oil
• 1 tablespoon soy sauce
• 1 Thai chili or serrano chile, seeded and minced
• 1 teaspoon sugar
• Salt and freshly ground black pepper
• 1 tablespoon peanut oil
• 4 sesame hamburger buns

Wasabi mayonnaise:

• 1/2 cup homemade mayonnaise or store-bought
• 1 teaspoon wasabi powder
• 1/2 teaspoon minced ginger
• 1 teaspoon finely chopped lemon peel