Preheat oven to 425 °F. Prepare a baking sheet by lining with a silicone baking mat, parchment paper, or by rubbing a light coat of oil.
Whisk flour, baking powder, cinnamon, and salt in a medium bowl.
In a separate bowl, mix the almond milk, agave syrup and vanilla.
With a fork, stir the oil in the flour mixture until it is crumbly. If you need to, get in there with your fingers. Immediately stir in the almond milk mixture, continuing to stir until everything comes together in a sticky dough.
Drop rough balls of dough, ¼ cup each, onto the prepared pan, leaving about 2 inches between each mound. Sprinkle with sugar, if desired, and/or with a pinch of cinnamon.
Bake 10 to 12 minutes until the bottoms are golden brown. Cool.