Prepare the Bang Bang Sauce: In a bowl, whisk together mayonnaise (or Greek yogurt), sweet chili sauce, sriracha, and honey until smooth. Set aside.
Coat the Chicken: Toss cubed chicken with tapioca starch, garlic powder, paprika, salt, and black pepper until evenly coated.
Cook the Chicken: Heat avocado oil in a skillet over medium-high heat. Add chicken and cook for 8–10 minutes, flipping halfway, until golden and fully cooked.
Sauce the Chicken: Remove from heat and toss chicken with half of the bang bang sauce until well coated.
Assemble the Bowls: Divide rice into bowls. Top with chicken, cabbage, carrots, cucumber, and green onions.
Garnish & Serve: Drizzle remaining bang bang sauce over the top and serve immediately.