Cornflake Cookies

When Eid (Aidilfitri) comes around every year, this is THE cookie that my mom has to have. She hates to bake so she asks me to make them for her (lol) or she buys them. This is the recipe that i use.
Ingredients:
1 box cornflakes - I use Kellogs
2 eggs
250 grams butter
180 grams sugar (fine sugar)
300 grams wheat flour
1 tsp baking powder
1 tsp vanilla essence

a) Sift flour with baking powder.
b) Crush the cornflakes.
c) Beat butter with sugar till well combined. Then add eggs and beat some more. Add in vanilla essence.
d) Mix in flour and crushed cornflakes. Make sure everything is well mixed.
e) Using a teaspoon, spoon out dough mixture onto greased baking tin.
f) Bake at 180 degrees Celcius.
h) When completely cooled, you can keep cookies in an airtight container.