Macadamia Shortbread

Directions

1. 1
   Put the macadamia nuts and sugar in a food processor and pulse until they reach the texture of fine crumbs.
2. 2
   Then add the vanilla extract and butter, and pulse again until smooth.
3. 3
   Add 4.4 ounces of the flour, and pulse until just combined.
4. 4
   Remove and knead in as much of the remaining flour as you need to create a smooth dough.
5. 5
   Roll the dough in plastic wrap, to form a log approximately 20cm in length, then refrigerate for half an hour.
6. 6
   Preheat the oven to 350 degrees.
7. 7
   Take the dough log from the fridge, cut into 0.5cm-thick slices.
8. 8
   Push a few extra macadamia pieces into each biscuit, then remove the plastic wrap.
9. 9
   Place on a baking sheet and bake on the middle shelf of the oven for eight to nine minutes, until just set.
10. 10
    Cool the biscuits on a tray, then transfer them to a wire rack.
11. 11
    Store in an airtight container.