Break chocolate into pieces. Heat the cream, melt the chocolate in it, cool down. Chill for at least 4 hours. Quickly knead flour, sugar, 100 g fat in pieces, 2-3 tablespoons cold water and lemon peel. Cover and chill for about 30 minutes.
Roll out the dough between 2 layers of foil approx. 1/2 cm thin. Cut out about 12 circles (about 12 cm Ø). Place in greased brioche or tartlet moulds (7 cm Ø, 3 cm high), press into the grooves at the edges, prick more often with a fork
Bake in a hot oven (electric cooker: 200 °C/circulating air: 175 °C/gas: level 3) for about 15 minutes. Let them cool down
Peel the orange so that the white skin is completely removed. Cut out the fillets between the parting skins. Whip the chocolate cream and put it into a piping bag with star-shaped spout. Pour into the cakelets. Place orange fillets on top and dust with icing sugar