In this recipe I use hazelnuts in the crumble, you can use other nuts such as cobnuts and almonds or a mixture of nuts.
Prep: 20 minutes
Cook: 15-30minutes
Prep: 15 minutes plus 3-4 hours freezing
Cook: 10 minutes
Prep: 5 minutes plus 3-12 hours
Cook: 2 hours and 45 minutes