(1 MEDIUM-SIZED PIE OR 2 SMALL ONES)
For the crust:
For the filling:
For the filling, mix all the ingredients in a pot and stir constantly over medium heat for 10-15 minutes. Turn off the heat when the mixture thickens and set aside.
Mix the chia seeds with plant-based milk and stir vigorously. Set aside.
For the crust, mix all the ingredients, including the chia seeds soaked in milk.
Put the dough on the base of a mold pressing with your hands, dock with a fork and bake for 5 minutes in the oven preheated to 360°F. Set aside a small amount of dough to put on top.
Take out of the oven and put raspberry and blackberry filling on top. Scatter the rest of the dough in crumbles and put back in the oven for 15 more minutes.