Preheat oven to 350 degrees. Spray a an 8x8 baking dish with nonstick spray. Set aside
In a mixing bowl, combine the gluten-free flour, sugar, cold butter, and ground cinnamon.
Mix until crumbly and press the mixture firmly into the bottom of the prepared baking dish.
Bake the crust for 20 minutes or until lightly golden.
Pecan Pie Filling
In another bowl, mix together the Date Syrup, brown sugar, vanilla extract, cinnamon, salt, eggs, arrowroot powder, and chopped pecans until well combined.
Pour the prepared filling evenly over the freshly baked, hot crust.
Return the dish to the oven and bake for an additional 30 minutes or until the filling is set and a knife inserted near the edge comes out clean.
Allow the pecan pie bars to cool completely in the baking dish before slicing into squares.