In a small mixing bowl, whisk together soy sauce, water, brown sugar, rice vinegar, sesame oil, garlic, ginger, chili flakes, and cornstarch until well combined.
Place salmon fillets on a baking dish, then pour mixture over salmon and toss to coat. Marinate in refrigerator for up to 24 hours.
Preheat oven to 425 degrees Fahrenheit.
Cook salmon for 15-17 minutes, until internal temperature reaches 145 degrees Fahrenheit.
Evenly divide sticky rice among 4 serving bowls. Top with salmon, baby bok choy, and avocados, then garnish with sesame seeds, green onions, and lime slices and serve.