Combine the milk and the apple cider vinegar and let for 5 minutes, this will be your buttermilk.
In a large bowl whisk together the vegan egg, sugar, oil, and vanilla extract.
In a small bowl mix together the dry ingredients. Add this to the wet mixture as well as the buttermilk and whisk together until everything is just combined, don't overmix.
Heat a non-stick skillet over medium-low heat. Pour about 1/3 cup of batter onto the skillet for each pancake and cook both sides until golden brown. Repeat with the rest of the batter.
Serve immediately with butter, syrup, and/or fruit.