Servings: Makes about 9 dozen round coins

250 Parmesan grated finely 250 Parmesan grated finely
250 Sharp Cheddar shredded 250 Sharp Cheddar shredded
250g salted butter room temperature 250g salted butter room temperature
3-1/2 cups plain flour 3-½ cups plain flour
1/2 - 1 teaspoon cayenne pepper ½ to 1 teaspoon cayenne pepper

In large mixing bowl beat together cheeses and butter
Fold in 2 cups of flour and cayenne beat on low until combined
Transfer dough onto lightly floured work surface
Knead in the remaining flour
Form into 3 logs about 12" long by 1-½" diameter
Wrap in glad wrap and refrigerate for 2 hours
Preheat oven 375deg F 190deg C,
Spray 3 baking sheets/trays with vegetable spray
Unwrap chilled logs and cut into ¼" rounds
Bake middle rack for 8 to 10 minutes until golden brown