Pistachio Financiers

My sister and I have a lifelong food-gifting agreement. When one of us goes on vacation she will bring the other a bag full of edible goodies that are local to the country. These presents are then to be offered with the words “I just brought you a little something, nothing special,” but these gifts are never trifles. The fennel seeds I brought my sister from Le Marche in Italy are so much more aromatic and greener than the ones from the local Dutch supermarket. Same with the presents she br