Preheat oven to 350˚F. Butter the pan.
In a mixing bowl, mix together oil, granulated sugar, egg, and milk.
Mix in allspice and dashes of salt and vanilla and lemon zest if desired.
Mix the almond flour well to disperse any lumps.
Finally, mix in the all purpose flour with the baking powder until just combined. Fold in blueberries. Pour into buttered pan.
Bake at 350˚F for 25-35 minutes, until top is lightly browned.