Prepare all ingredients as listed.
Rinse the brown rice under cold water. Cook the rice according to the directions on the package.
Preheat the oven to 425°F (218°C).
Line a large sheet pan with parchment paper.
In a bowl, whisk together the soy sauce, honey, rice wine vinegar, toasted sesame oil, olive oil, fresh ginger, garlic, and chili garlic sauce.
Add the chicken pieces to a bowl. Pour about half of the sauce over the chicken and toss until evenly coated. Set the remaining sauce aside for serving.
Arrange the chicken in a single layer on the prepared sheet pan.
Add the asparagus, red bell pepper, and red onion to the bowl used for the chicken. Toss the vegetables in any remaining sauce left in the bowl. Arrange the vegetables around the chicken in a single layer, then sprinkle the cashews over everything.
Roast until the chicken internal temperature reaches 165°F (74°C) and the vegetables are tender .
Serve the sesame chicken and roasted vegetables over rice. Drizzle with the reserved sesame sauce and garnish with scallions, fresh cilantro, and sesame seeds.
Serve with coconut water and dates.