Preheat oven to 350°
Add the crust ingredients to food processor and blend until mixture starts to stick together
Pour into a tart pan and press mixture into the bottom and sides of the pan
Slice peaches in half and twist sections in opposite directions to get to the pit
Remove pit
Slice halves into quarters and then slice sections into thin slices
Add half of a peach, arrowroot powder, 2 dates and water into a blender and blend until smooth
Pour 2/3 of mixture into the tart crust
Layer peach slices on top of this mixture, fanning the slices out, starting at the outside and working your way to the center
Pour remaining peach mixture over the top
Place in the oven and bake for 35 minutes
Take out of oven and let cool thoroughly before removing it from the tart pan.