There are plenty of good recipes on the internet, but in your case, if you are going to cater foreigners, you should try to serve your own country's delicacies, those foods that they don't usually eat, yes some foreigners tend to eat their own food even when they are abroad, but try to convince them and see if they like your food or not. Or you can use your creativity in incorporating your delicacies and arrange them in a platter this way they will surely be enticed with the style of your food and never disregard the flavor. See more recommendations here.