How to do it:
1. Place all ingredients, except cheese, in a clean mixing bowl and whisk for 1 minute at low speed.
2. Scrape down and then whisk for 4 more minutes at top speed.
3. Place 20 g batter into puto pans lined with paper cups and top with grated cheese.
4. Steam for 15 minutes.
Yield: 56 x 20-g batter