Cream the butter and sugar together for 2-3 minutes.
Add the egg, vanilla, and cream and mix again for another 2-3 minutes.
Add the flour and baking soda and mix just until combined. Fold in the cashews.
Use a cookie scoop to drop the cookies onto a baking sheet lined with parchment paper or a silicone baking mat. Bake for 8-10 minutes or until barely golden brown on the edges.
Notes
These cookies will stay fresh for up to 5 days if stored in an airtight container at room temperature.Place them in an airtight container or freezer bag and freeze for up to 3 months. Thaw at room temperature before serving.