how to say “多吃点……” in English?

how to say “多吃点……” in English?When you treat a guest to a dinner at home , you think some food is very delicious and you hope the guest to eat the food as much as possible,so at the beginning of the dinner you say to the guest “请多吃点” the food. Surely we can say “eat the food as much as possible. But I think it is somewhat Chinglish. What is the proper expression for “请多吃点”? 收起