Add in the nut butter and pitted dates and process until everything is broken down into a crumbly mixture.
Run the food processor again and stream in the coconut oil 1 tablespoon at a time until a sticky dough forms. It should be able to hold together when pressed between your fingers. You should have to use between 4-6 tablespoons.
Press the mixture firmly into a lined 8x8 baking dish. The mixture may feel a little oily, but the bars won't taste oily. They will just hold together really well!
Place the pan in the fridge for about 1 hour until the dough has set. Cut the dough into rectangles or squares. I get about 24 small rectangles.
Store the bars in an airtight container in the fridge for up to 2 weeks.