Chop the yellow cheese into small pieces.
Melt the butter and yellow cheese together using a double boiler.
In a bowl, mix together the egg, erythritol, and almond flour.
Add the melted yellow cheese and butter to the dough and mix thoroughly.
Distribute the dough into the cookie cup molds.
Bake in a preheated oven at 180°C for 15 minutes.
Let cool to finish.