Cook the rice according to package directions. Once cooked, fluff with a fork and keep covered.
While the rice cooks, steam or blanch the broccoli and edamame until tender-crisp. Set aside.
Make the Teriyaki Sauce: In a small saucepan, combine soy sauce, mirin, sake, brown sugar, ginger, and garlic. Bring to a simmer. In a small bowl, whisk together cornstarch and cold water to create a slurry. Pour the slurry into the simmering sauce, whisking until it thickens (1-2 minutes). Remove from heat.
Prep the Salmon: Pat the salmon fillets completely dry with paper towels. Season both sides with kosher salt and black pepper.
Sear the Salmon: Heat avocado oil in a large skillet over medium-high heat until shimmering. Place salmon skin-side down and press gently for 10 seconds. Cook for 4-6 minutes, undisturbed, until the skin is crispy and golden.
Cook the Other Side: Flip the salmon and cook for another 2-4 minutes, or until it flakes easily with a fork (internal temp of 130-135°F).
Glaze the Salmon: In the final minute of cooking, spoon 1-2 tablespoons of the teriyaki sauce over each fillet, allowing it to bubble and caramelize slightly.
Assemble the Bowls: Divide rice among four bowls. Top with a salmon fillet. Arrange broccoli, carrots, edamame, and avocado around the salmon. Drizzle with remaining sauce and garnish with scallions and sesame seeds.
Notes
For the crispiest skin, ensure the salmon is patted completely dry with paper towels before seasoning and searing. Moisture is the enemy of a good sear.