Red Wine Bundt Cake (Rotweinkuchen)

1 cup butter
2 cups granulated sugar
4 eggs
1/2 cup red wine
4 ounces baking chocolate, grated
2 cups all-purpose flour
1 teaspoon baking powder
1/2 teaspoon ground cinnamon
1/2 teaspoon ground nutmeg
Confectioners' sugar

Preheat oven to 350 degrees F.

Beat butter and sugar until fluffy. Add eggs, wine and grated chocolate, and beat. Combine flour, baking powder, cinnamon and nutmeg; mix into dough. Put into greased and floured Bundt pan and bake for 1 hour.

Turn oven off and let cake rest in oven for 20 minutes. Dust with confectioners' sugar.