The most important and most used cooking utensil is probably the wok. If you are thinking of buying some cooking equipment especially for cooking Thaifood. we would suggest purchasing a wok. They are very versatile and can be used for all sorts of cooking. They distribute the heat evenly and are excellent for stir-fries. However, if you do not have one, you can use a frying pan instead, but you may find that it is not easy in stirring process as all ingredients might fly everywhere!