Milk
1 and 1/4 cups (8 ounces) unsalted butter, softened
3/4 cup (6 ounces) sugar
2 large eggs
1/2 cup (4 ounces) orange liqueur
Grated zest of 1/2 orange
200g melted dark chocolate
1 and 3/4 cups (12 ounces) all-purpose flour
2 tablespoons unsweetened cocoa powder
1 teaspoon active dry yeast
1/2 teaspoon ground cinnamon
1/3 cup (2.5 ounces) whole milk
Milk
1 and 1/4 cups (8 ounces) unsalted butter, softened
3/4 cup (6 ounces) sugar
2 large eggs
1/2 cup (4 ounces) orange liqueur
Grated zest of 1/2 orange
200g melted dark chocolate
1 and 3/4 cups (12 ounces) all-purpose flour
2 tablespoons unsweetened cocoa powder
1 teaspoon active dry yeast
1/2 teaspoon ground cinnamon
1/3 cup (2.5 ounces) whole milk
Cream the butter with the sugar until light and fluffy
Add the eggs one at a time, beating well after each addition
Add the orange liqueur, grated zest, and half of the melted chocolate; mix until fully incorporated
Mix in the flour, cocoa powder, cinnamon, and yeast; alternate with the milk
Add the remaining melted chocolate and mix until a smooth batter forms
Pour into a prepared loaf pan and bake in a medium-temperature oven
Cool completely before slicing
Cream the topping: melt the chocolate with 1 tablespoon of heavy cream over low heat, stirring constantly
Let cool and incorporate the remaining whipped cream; beat until stiff peaks form
Frost the cake with this mixture
Decorate with orange slices and serve.