Mix the cream cheese, softened butter, sugar and salt with a mixer at medium speed. Then we slow down and add flour. Then we knead the dough with our hands. Then preheat the oven to 175C. We roll out the dough into a 3mm thick sheet and cut it into 6 * 6cm squares. Divide the squares and put 1 tsp into the center of each. toppings. We fasten one pair of opposite corners. Place the blanks on a baking sheet pre-coated with parchment paper. And put in a stove warmed up to 175C, bake for about 12 minutes.
Sprinkle the finished cookies with powdered sugar.