Heat a wok or large skillet over hight heat. Add 1 tsp oil; swirl to coat. Add chicken; cook 1 minute on each side. Remove chicken from pan; cut into thin slices. Add broccoli and bell pepper to pan; stir-fry 4 minutes or unitl vegetables are lighty browned.
Reduce heat to medium high. Combine remaining 1 tsp oil, coconut milk, and next 7 ingredients ( through cumin ) in a small bowl, stirring with a whisk. Add chicken and coconut mixture to pan; cook 30 seconds. Sprinkle with cashews.