How to cook banana in coconut milk Banana in Coconut milk in Thai you can call กล้วยบวชชี. So, banana in coconut milk is a popular Thai’s dessert and it also easy to cook. If you want to cook this dish you must have 2-3 small, slight green bananas 900 ml of coconut milk 175 g. of sugar 1/4 teaspoon of salt So, if you have all of these let’s cook it. 1st, Pour the coconut milk into a pan, add the sugar and salt. Then wait until its boil. 2nd, add the slight green banana into the pan and stir until the banana be cooked. 3rd, remove it from heat and serve for 4.