No need to add salt. But if required adjust seasoning
Steam veggies in a steamer or cook them in a cooker
Use any vegetable you like, parsnips, turnips, cauliflower etc
Coconut milk can be made fresh by grating fresh coconut, grind with little by little water and extract coconut milk, strain and keep aside. The first extract will be thick. You can also use store bought organic coconut milk to save some time