Mix oatmeal, flour, spice, and salt together in a bowl.
In a measuring cup, whisk together the oil, syrup, and juice or water. Pour the liquid into the dry ingredients and stir.
With moist hands, press the dough into an oiled 9-inch pie plate or 10-inch tart tin, put in beans or pie weight, and bake for 15 min. in a preheated 375-degree F oven.