Mix the cream cheese, softened butter, sugar and salt with a mixer on medium speed. Then we reduce the speed and add flour. Then knead the dough with our hands. Then preheat the oven to 175 C. Roll out the dough into a 3mm thick sheet and cut into 6x6 cm squares. Divide the squares and put 1 tsp on the center of each. fillings. We fasten one pair of opposite corners. Transfer the blanks to a baking sheet previously lined with parchment paper. Bake for about 12 minutes.
Sprinkle the finished cookies with powdered sugar.