Parmesan Shortbread - cooking recipe

Ingredients

3 ounces parmesan cheese, finely grated
3 ounces plain flour, sifted
1/4 teaspoon salt
2 1/2 ounces unsalted butter
2 teaspoons olive oil

Preparation

preheat oven to 300F.
cream the butter until very soft and mix in the rest of ingredients until they all come together.
roll out into a sausage shape 9 inches long.
rest in fridge for 30 mins or more.
slice thinly and cook on greased tray for 20-25 mins until light golden brown.