Preheat a waffle iron to medium-high. Preheat the oven to 200 degrees celsius.

Whisk together the dry products in a large bowl. Whisk together the cocnut oil (preheat it so it melts) and vanilla in a medium bowl. Pour the milk mixture into the flour mixture and gently stir until just incorporated (it is OK if there are some lump

Generously spray the top and bottom of the waffle iron with cooking spray. Fill each compartment almost completely, and spread the batter to the edges. Close the lid and cook until the waffles are golden brown and crisp, 6 to 7 minutes.

Keep the cooked waffles warm in the oven or covered with foil on a plate while you make the remaining waffles. Serve with maple syrup, nut butter or fruit preserves.