1. Beat the butter until light and creamy.
2. Add the cheese, chilli powder and salt and beat again.
3. Add the flour and make a dough.
4. Roll the dough thinly and cut into small rounds.
5. Bake in a moderately hot oven at 180 degree C (375 degree F) for 7 to 10 minutes.
6. Cool and store. Use when you want to serve.

How to proceed:

1. Fit a star nozzle in a piping bag and fill the bag with the cheese topping.
2. Pipe out a circle on each round and decorate with sliced olives.