Brown Sugar Steamed Apem Cake, Simple But Delicious, Eggless, Spoon Measure

Brown Sugar Steamed Apem Cake, Simple Yet Delicious, Eggless, Spoon Measure
(recipe from Instagram user @wawawiati)

Ingredients A
75 grams rice flour (approximately 7.5 tablespoons)
40 grams all-purpose flour (approximately 4 tablespoons)
1/2 teaspoon instant yeast (fermipan, mauripan, etc.)

Ingredients B
160 ml coconut milk
80 grams brown sugar (I used Seko Ndeso coconut sugar 😁)
1/2 teaspoon vanilla powder (more fragrant with 1 pandan leaf)
1/4 teaspoon salt

Ingredients C
1/4 teaspoon baking powder