in a large wok or skillet heat oil & add in diced onion on cook on med high heat about 2minutes. add in chicken salt, & pepper cook about 6minutes remove from pan & set aside. now add in veggies cook down about 7-8 minutes just till tender, add chicken back in and add sauce. cook another 5 minutes or so. make your corn starch slurry with water stir well add to mix stir cook till thickened about 2 minutes. enjoy!