Layered Tapioca Cake

Tried this recipe from my favourite book by Chef Zubaidah. Don't quite tasted like tapioca but like an ordinary cake. Anyway, this cake is easy to make and I just wanted to clear some leftover tapioca in my freezer.

INGREDIENTS:
125g Butter
200g Castor Sugar
4 Eggs
250g Condensed Milk
250g grated Tapioca
1 tsp Vanilla Essence
125g Superfine Flour*
100g Maries Biscuit Flour*
1 tsp Baking Powder* (* mix together)
Green Red & Chocolate Color

METHOD:
1. Beat butter & sugar until fluffy.
Add in egg one by one while beating.
Add in condensed milk & beat till creamy.
Add in grated Tapioca & mix well.
Add in Vanilla essence.
Add in flour mixture.

2. Divide into 3 parts.
Color each part red green & chocolate.

3. Grease & line 8"x8" square or round tin.
Steam each layer for 20 minutes.