combine the non-dairy milk and apple cider vinegar and let sit.
Combine the flour, baking powder, salt, and sugar.
in another bowl combine the apple cider vinegar and milk mixture with the cooled melted butter, canola oil, aquafaba and vanilla extract.
Combine the wet and dry ingredients. Do not overmix. Pour mixture into a greased baking dish.
For the crumb
Combine flour, brown sugar, cane sugar, salt and cinnamon
Using your hands or a pastry cutter pinch the cold butter into the the flour mixture untill crumbs form
Sprinkle the crumbs over the cake mix making sure you don't see any of the cake mix underneath.
Bake for 45-55 minutes. My cake took 53 minutes. Insert a tooth pick in the center when it comes out clean it is done. Store crumb cake covered at room temperature for up to 5 days or store in the freezer for one month.
Notes
*Aquafaba is the thick liquid that is in a can of chickpeas. Simply open a can of chickpeas and separate the chickpeas from the chickpea liquid. The liquid is aquafaba.**Leave your stick of butter in the fridge until you get to the combine stage to insure it stays cold.A thing to note, I like using the vegan butter sticks that already have measurements on them. It makes it easier and gives you a more precise measurement.