American/Chinese family looking for GOOD COOK HELPER

Family situation: . Employer nationality: We are mixed family I’m Chinese my husband and kids are American . Home location: Mid level. Flat size (1,428sq ft) . No. of adults: 2 . No of kids: 2. Age of children: 15 & 10yrs old . Helper's accomodation: own room and bathroom . Main duty of the new helper Cooking more important and rest of housework