Rainbow Cake Kukus

Bahan :
-1 sachet santan instan
-35 ml / 5 sdm air
-5 butir telur
-180 gr / 12 sdm gula pasir
-½ sdt garam
-1 sdt vanili cair
-1 sdt SP
-180 gr / 18 sdm tepung terigu
-½ sdt baking powder
-100 ml / 15 sdm minyak sayur
-6 pewarna makanan