In a bowl, mix tapioca starch, garlic powder, chili powder, cumin, smoked paprika, salt, and pepper.
Add chicken cubes and toss until fully coated.
Heat avocado oil in a skillet over medium-high heat.
Cook chicken for 5–8 minutes per side until golden and crispy.
In another bowl, whisk together buffalo sauce ingredients and reserve a small portion.
Transfer cooked chicken to paper towels to remove excess oil.
Toss chicken in buffalo sauce until evenly coated.
Assemble the Crispy Buffalo Chicken Bowls by dividing rice, vegetables, and chicken into bowls.
Top with green onions and drizzle with extra sauce and dressing if desired.