Heat the oven to 175C/350F degrees.
In a mixing bowl put all the dry ingredients with the butter and mix well. You can knead in a food processor, mixer, or by hand.
Add the sweet potato and maple puree and mix well until the mixture is combined.
Form a flat ball of dough and put it inside baking paper. Refrigerate it for half an hour.
In the meantime, you can prepare the vegan cheese and olive filling. Add all the cheeses and olives to a bowl, season with rosemary and thyme, and mix well.
Take the dough out of the fridge and roll it out to a thickness of 1 millimeter inside the baking paper in a rectangular shape.
With the cookie cutter, make as many round pieces as possible,
Add 2 teaspoons of the filling to the center of each circle.
Close the 3 sides in a triangle shape, and lightly tighten at the tip so that the cookie wont open.
Arrange the Hamantash in a pan with baking paper and refrigerate for about an hour. Refrigeration is important to maintain the perfect texture of the dough. and will prevent the hamantash from opening during baking. You can let them sit in the fridge or freezer before baking.
Bake for 20-25 minutes.
You can start munching on them, half an hour after baking when they have cooled down a bit.