Cook the sago

• Bring the water to a boil in a saucepan.
• Add the sago pearls and stir so they don't stick.
• Simmer until the pearls turn translucent with no white center.

Rinse and cool

• Drain the sago in a colander.
• Rinse under cold water to stop the cooking and remove excess starch.
• Let it drain well.

Blend the banana milk

• Blend the banana with the milk until smooth.
• Sweeten with the condensed milk and sugar to taste.

Assemble and serve

• Spoon the sago into glasses.
• Pour over the banana milk and add the ice cubes.
• Stir before drinking.