Parkin is a traditional sticky oat spice cake from northern England that's enjoyed on Guy Fawkes Night., i.e. Bonfire Night.
Preheat oven to 300 degrees F or 275 F for convection bake. Lightly grease a 9x9 inch pan and line it with parchment paper.
Stir together the flour, baking powder, ginger, nutmeg, cinnamon, cloves and rolled oats in a large bowl.