Preheat oven to 350 degrees and spray a 9x9 baking pan with baking spray
Using a large mixing bowl, mix together flour, sugar, brown sugar, cinnamon, baking soda, cream of tartar and kosher salt
Make 3 depressions into the dry ingredients, 1 large and 2 small
Add the Apple Cider Vinegar into one of the small depressions
Add the vanilla into the other small depression
Add the Canola oil into the big depression
Pour the 1 C of water off the dry and wet ingredients and mix until combined
Pour the batter into the baking pan
Bake in the oven for 35-45 minutes or until a toothpick comes out clean
While the cake is baking, mix together the cinnamon and sugar topping
Once the cake comes out of the oven, sprinkle the cinnamon sugar on top
Cut and enjoy!