Teriyaki Salmon with Homemade Teriyaki Sauce

Ingredients

• 2 1/2 lbs salmon filet (sliced into 2″ wide slices)
• 1 cup water
• 5 tablespoons dark brown sugar (packed)
• 1/4 cup soy sauce (reduced-sodium)
• 2 tablespoons honey
• 4 cloves garlic (finely minced)
• 1 teaspoon fresh ground ginger
• 1 tablespoon rice vinegar
• 1/8 teaspoon red pepper flakes
• 2 tablespoons cornstarch
• 1/4 cup water (cold)
• Sesame seeds (optional)
• Green onion chopped (optional)