1. Process almonds and macadamias on speed 6 for 3 seconds until fine.
2. Add butter and salt and mix on speed 4 until combined. Press into a greased slice tin approx 20 x 30cm.
3. Place in 180 degree oven for 5- 10 minutes until just cooked and only slightly browned. Don't overcook it because it is going back into the oven.