Teriyaki Salmon

Bahan-bahan (4 porsi)

• 4 salmon filets (6 ounces each)
• kosher salt (to taste)
• black pepper (to taste)
• 2 tablespoons olive oil
• ¼ cup less sodium soy sauce
• 4 tablespoons cold water (divided (or half orange juice or pineapple juice))
• 2 tablespoons dark brown sugar
• 2 teaspoons grated fresh ginger
• 2 teaspoons minced garlic
• 1 teaspoon dry mustard powder
• 1 tablespoon cornstarch
• 2 teaspoons sesame seeds
• 2 g reen onions (thinly sliced)