Soak cashews in a large bowl of warm water for at least 3 hours

Soak dates for at least 1 hr then remove pits

To make crust, add pecans to high powered blender or food processor to blend until fine texture

Add rest of ingredients and blend until a 'dough' forms

Double plastic wrap a 9-inch round cake pan and press crust into bottom of pan (place a piece of plastic wrap over the top of the dough and flatten out mixture using a silicone spatula)

Place in freezer for 15 min while making filling

To make filling: blend all ingredients together until smooth. Remove round pan from freezer and pour filling over the top of the crust. Place several blueberries on top and wait several minutes before using spatula to lightly swirl

Place cheesecake in freezer overnight and transfer to fridge 30 minutes before eating (best when slightly frozen)