how to make nine layer cake with sweet potatoes

make these soft and chewy jiu ceng gao (or kuih lapis in malay) using healthy sweet potatoes 🍠 all you need is: •⁠ 500g water •⁠ ⁠270g sugar •⁠ 1 tsp salt •⁠ ⁠3 pcs pandan leaves •⁠ 240g steamed yellow, orange, and purple sweet potato (80g of each colour) for each colour, split into 3 portions •⁠ 330g thick coconut milk •⁠ 240g tapioca starch •⁠ 135g rice flour •⁠ 45g green bean starch #kuihlapis #layeredcake #snackideas #easyrecipe