Preheat oven 200°

Cut the butter into chunks and melt it microwave for 30 sec

Once cool, mix brown sugar, caster sugar, vanilla extract,

Combine both the flour with pinch of salt

Beat the egg and mix with butter mixture

Now add the mixture with flour and combine well. Mix throughly

Cut the chocolates into pieces

Take a ball, shape it round and press the chocolate pieces 3 or 4

Then store it in a jar for more than 15 days

It will be chewy, if you want more chewy before eat, keep it in microwave for 10sec

Note: if you dont have self raising flour, you can take plain flour add 2tsp of baking powder for 150 grm flour