For the Chicken:

• 1 pound boneless, skinless chicken thighs or breasts
• 1/2 cup sweet chili sauce
• 2 tablespoons soy sauce
• 1 tablespoon rice vinegar
• 1 tablespoon sesame oil
• 2 cloves garlic, minced
• 1 teaspoon fresh ginger, grated
• 1/2 teaspoon black pepper
• 1/4 teaspoon red pepper flakes (optional)
• 1 tablespoon cornstarch

For the Brussels Sprouts:

• 1 pound Brussels sprouts, trimmed and halved
• 1 1/2 tablespoons olive oil
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper

For Garnish:

• 2 tablespoons chopped green onions
• Sesame seeds