Combine sauce ingredients in a small bowl. Mix until smooth and creamy.
Cut chicken into 1" cubes and season with salt and pepper.
Heat chili oil in a large skillet over medium heat. Add chicken and cook 4 minutes each side, until browned and cooked through. Remove chicken from pan and set aside.
Add sesame oil to the pan and cook broccoli and bell peppers. Cook 5 minutes stirring occasionally. Broccoli should be a little tender and pepper .
Add spiralized sweet potatoes and cook an additional 2-3 minutes.
Add chicken and peanut sauce and cook another 2-3 minutes until sweet potatoes are al dente, stirring to coat.
Serve garnished with sliced green onions and peanuts. Chopsticks optional :-)