- 175g / 6 oz plain flour
- salt
- 2 tsp mustard powder
- 100g / 4 oz butter
- 50g / 2 oz Cheddar cheese, grated
- 25g / 1 oz Parmesan cheese, grated
- 1 egg, beaten
- Celery/poppy seeds (optional)
Place the flour, salt and mustard in a bowl. Add the butter, cut into small pieces, and rub into the flour with fingertips until the mixture resembles fine breadcrumbs. (Or use food processor.)
Add the cheeses and mix well.
Add 2 tbsp beaten egg and mix to form firm dough.
Wrap the dough in cling film and chill for 10 minutes.
Roll out the dough and cut into lengths 7.5cm / 3 inches wide. Cut each length into 1 cm/ 1/2 inch strips.
Twist each strip (optional) and place on baking sheets. Brush with the remaining beaten egg and sprinkle with celery seeds or poppy seeds (if using).
Place in a preheated oven 400 degrees and bake for 10-15 minutes until crisp and golden. Cool on a wire tray. Serve warm or cold.