java script

I have array of food order

var foodOrder ={ name: kim, studentId: 5877, foodChoice: [{name : cheese burger, authenticity: american},{name : pizza, authenticity: italian}, {name : pasta, authenticity: italian}, {name : sushi, authenticity: japanese}]}

i would like to map the array of foodChoice that belongs to foodOrder and concatenating name and authenticity for example pizza italian

function getFood(){

var mappedFood=foodOrder.foodChoice.map(mappingFood)

function mappingFood(){

var newFoodName =.......

}

}