With jam in the batter, this moist, dense cake has a haunting berry aftertaste. Chunky with raisins and nuts, it is baked in a single thick layer and topped with a shiny burnt sugar glaze.
Preheat the oven to 350 degrees F. Butter a 9-inch square cake pan. Sift the flour with the baking soda, baking powder, cinnamon, allspice, nutmeg and cloves onto a sheet of wax paper; set aside.
Cream the butter and the sugar with an electric mixer at