220 g butter (room temp)
250 g soft brown sugar
50 g castor sugar
5 ml vanilla extract or use vanilla seeds of one pod
1 egg and 2 egg yolks
170 g cake flour
140 g oats, blitzed (must be quite fine in texture)
5 ml bicarbonate of soda
2,5 ml salt
120 g macadamia nuts, chopped
200 g white chocolate chips
Maldon salt for sprinkling (optional)