It is important to keep this in mind. The ingredients are divided into two parts. First, the dry ingredients, and the latter part is the liquid ingredients of course.
Let's mark the first part as Ingredient A (dry) and Ingredient B (liquid).
1 cup cake flour
3 tablespoons sugar
1 tablespoon corn starch
1/2 tablespoon baking powder
1 teaspoon salt
1 cup milk (can be fresh milk or evaporated milk) (must not be substituted with powdered milk)
1 tablespoon melted butter/cooking oil
1 egg (in room temperature)
a slice of butter
LET'S GET STATED!