Famous Amos cookies

This is easy to make. Taste good and won't go wrong. Is an easy recipe for people who is baking for first time.

Ingredients
125g butter (scs)
160g plain flour
62.5g castor sugar
62.5g brown sugar
0.5 tsp vanilla essence
0.5 tsp baking soda
25g egg (beaten)

Beat egg, butter, sugar and vanilla essence in a mixing bowl until smooth.
Pour in the flour and baking soda and mix well.
You may add in chocolate chips or nuts. (Personal preference)
Scoop small spoons of the mixture on baking tray. Size of cookies depend on how much mixture u scoop. I prefer small cookies, scoop out about diameter of 20 cents.
During baking the cookies will spread out, so he sure to leave spacings between each cookie mixture.
Preheat oven at 180 degree and bake the cookies for 15 min at 170 degree.
Cool the cookies on cooling rack completely before putting in airtight containers.