If necessary, melt the coconut oil in a saucepan over low heat. Put it aside. In a large bowl, mix the buckwheat flour with the rice flour. Add the warm water. Mix again. Add the liquid coconut oil. Mix again. Roll out the dough.
Flatten the dough
Preheat the oven to 180 degrees. Grease the cake sheet with a drop of coconut oil. Place the rolled dough on the baking sheet and bake it for 15 minutes.
Prepare the plums
Wash and cut the plums in half. Remove the stones.
Place the prunes in a small saucepan with 1 tablespoon of maple syrup. Cook over low heat for 15 minutes.
Assemble and bake the pie
After 15 minutes, remove the pie from the oven and remove the prunes from the heat. Place the prunes on the dough and bake for 12 to 17 minutes in the lower part of the oven. Serve the tart warm or when it has cooled down a bit.
Recipe Notes
I wish you a lot of pleasure preparing this recipe!