Pat the chicken breast dry with a paper towel and cut into 1-inch bite-sized cubes.
In a medium bowl, toss the chicken cubes with arrowroot powder, sea salt, and black pepper until evenly coated.
In a small glass jar or bowl, whisk together the honey, tamari, minced garlic, grated ginger, and toasted sesame oil to create the glaze.
Heat the avocado oil in a large non-stick skillet or wok over medium-high heat until shimmering.
Add the chicken to the skillet in a single layer and sear for 3-4 minutes per side until golden brown and crispy.
Add the broccoli florets and sliced red bell pepper to the skillet, sautéing for an additional 3 minutes until the vegetables are bright and tender-crisp.
Pour the honey-garlic sauce over the chicken and vegetables, tossing constantly for 1 minute until the sauce thickens into a glossy glaze that coats everything evenly.
Remove from heat and serve immediately while the chicken is at its crispiest.