heat sesame oil in skillet. add onion,cook 3 min.,add garlic,cook ..30 seconds. add chicken. combine 3/4 c.water,3 tbsp soy sauce,2 tsp cornstarch,1 tsp brown sugar,.1 tsp red pepper flakes,stirring with whisk until sugar is dissolved. add mixture to pan,bring to boil. add bell pepper and snow peas. cook 2 min. until vegies are done and sauce is thicker.