Ingredients to make Day cake include: sticky rice, black sesame and molasses.

The sticky rice is soaked with water for approximately 2 hours. Next, it is steamed to make glutinous rice. When finished, the glutinous rice is ground.

In order to have black sesame to make filling, the Tay people have to plant sesame seeds on the fields from March and April every year and until July and August to harvest and store them for use throughout the year.

Sesame seeds are roasted on low heat. When it is ripe, giving off a light aroma, start pounding. Then mix the grounded sesame with molasses to make the cake filling.

Day Cake can be preserved for about two days. When eating Day cake, you will realize that each bite of the soft Day Cake has the typical scent and taste of a mountainous land.