Preheat & Prep:
Preheat oven to 425°F. Line a large baking sheet with parchment paper.
Toss cauliflower florets with olive oil, salt, and pepper. Spread in a single layer without overcrowding.
Cook Rice:
Prepare jasmine or brown rice according to package instructions.
Roast Cauliflower:
Roast for 25–30 minutes, flipping halfway through, until golden brown and crisp on edges.
Make Teriyaki Sauce:
In a small skillet, warm sesame oil over medium heat.
Add garlic and ginger; cook for 1 minute until fragrant.
Stir in teriyaki sauce and soy sauce. Simmer for 2–3 minutes.
Coat Cauliflower:
Transfer roasted cauliflower to a large bowl.
Pour warm teriyaki sauce over and toss gently to coat evenly. Let sit for 2–3 minutes.
Assemble Bowls:
Add rice to serving bowls.
Top with teriyaki cauliflower.
Arrange bell peppers, carrots, broccoli, and avocado around the bowl.
Garnish with sesame seeds and green onions.
Serve:
Serve warm with extra sauce if desired.