Melt butter. Add egg, sugar. Mix.
Add sifted flour with baking powder, cocoa, mix until smooth. For the filling, combine blackcurrant with sugar, mix. In silicone molds for cupcakes, put 1 tbsp. l. dough, put 2 tsp on top. berries.
Top the berries with dough. Bake in an oven preheated to 200 degrees for 20-25 minutes
Sprinkle powdered sugar on top (using a stencil, you can make snowflakes).
Enjoy your meal!