Toast all the nuts in a low oven (about 85°C/185°F) on separate trays for about 35 minutes until the oils are released. While the nuts are still warm, put them on a board and crush lightly, then add to the milk. Leave to chill in the fridge overnight.
Strain the milk from the nuts into a saucepan. Add the kuzu to the milk and stir gently. Cook over low heat for about 20 minutes until th