Put the coconut milk in a pan together with the condensed milk, evaporated milk and corn kernels. Bring it to a boil.
Taste the mixture if the sweetness is enough to your liking. Add sugar if needed. You can skip the sugar if sweetness of the mixture is good enough for you
Meanwhile, mix the cornstarch with water until there are no more lumps and the cornstarch is completely dissolved.
Reduce the heat to low and add dissolved cornstarch to the mixture while mixing it well. Keep on mixing with the ladle for about 3 minutes or until cornstarch is well done and have that sticky consistency.
Transfer to a flat rounded or square dish. Top it with your preferred toppings either cheese, coconut milk curd, or toasted desiccated coconut.