In a large bowl combine cashew butter, coconut oil, maple syrup, vanilla, lemon juice and lemon zest. Carefully fold in blueberries, making sure that they don't burst.
Spread mixture evenly into a loaf pan/ small glass pan coated with cooking spray.
In a small bowl combine remaining ingredients for topping. Spoon on top.
Freeze mixture for 2-3 hours.
Slice into about 16 pieces.
Enjoy!
*Store in an air-tight container in freezer for up to one month