Chocolate cake

Chocolate cake with citrus fruits Ingredients for the dough (for 2 cakes): ½ cup (110 g) butter, softenedrn½ cup sugar (100 g) 2 cups (230 grams) all-purpose flourrn1 eggrn2 tablespoons unsweetened cocoa Ingredients for filling of citrus fruits 2 cups (440 g) granulated sugarrn4 large eggsrn½ cup (1.2 dl) orange juicern¼ cup (0.6 dl) lemon juicernGrated rind of 2 orangesrn3 tablespoons all-purpose flourrn1 teaspoon baking powder Ingredients for Chocolate ½ cup (1,2 dl) cream or whipped creamrn7 oz (200 g) dark chocolate (40-50% cocoa) Method :      1. The bottom of a springform pan 9 inches (23 cm) with parchment paper or nonstick pan sides and other fats.      2. With an electric mixer, beat softened butter and sugar. Flour and cocoa powder, and finally the egg. Reserve in refrigerator several hours or more.      3. Preheat oven to 350 degrees F (gas mark 4 or 180 ° C).      4. Use your fingers to pat half of dough into the bottom of the pan (not sides) of the rest in the freezer until next time to keep.      5. Bake at 350 degrees for about 7 minutes.      6. To mix sugar, eggs and filling for 2-3 minutes with an electric mixer.      7. Lemon juice, orange juice, grated orange peel, flour and baking powder and mix well.      8. Transfer to the hinge and bake at 250 ° F for about 30-40 minutes. A toothpick should come out clean in the center added.      9. With a knife, carefully loosen cake from sides of pan. Cool cake to room temperature in the pan.     10. For the chocolate glaze, heat cream almost boils, add the chopped chocolate and mix until smooth. Let simmer until it cool.     11. Spread the chocolate onto the cake and sides. Variations 1. Instead of lemon juice, use 2 limes and lime zest and reduce the amount of orange peel accordingly.