I prepared khuwa this way:

Boil 200 cc of whole milk, and stir regularly until it gets thickened enough. When it looks like slury, then add three teaspoon of light cream cheese and keep steering and boiling 3-4 minutes more. It will turn into thick paste once you turn off heat.

Then use the paste instead of khuwa and prepare Yomari.

Yummy!!! it tastes great.