Co-worker shared jobs - Main duty cooking

Family of 4 ( mam and sir and 2 kids (11 & 7 years old) Chinese family but westernise Live in Sham Tseng, house 2600 sq feet with roof top Only has turtles, no other pets Co worker job, total need 3 helpers, the other 2 are from Iloilo ( nice Yaya). Hiring someone who will mainly be cooking. If not good at cooking, can learn and get trained by existing Yaya.