Preheat oven to 150 degree
Sift together the flour, baking powder, salt, cinnamon, drinking chocolate, cocoa powder and allspice. Set aside.
In a large bowl take sugar and butter beat until light and fluffy. Beat in the egg one at a time, then stir in the vanilla. Beat in the flour mixture alternately with the milk. Stir in walnuts.
Bake in the preheated oven for 50 minutes, or until a toothpick inserted into the center of the cake comes out clean. Allow to cool.
Ready to serve