Preheat the oven to 325. Line a small bread pan with parchment paper for easy removal
Whisk together dry ingredients in a large mixing bowl. Mix together water, vinegar, melted oil and vanilla in another small bowl.
Pour wet over dry and gently mix by folding the batter until the flour is moistened (it will be a little thick)
Scoop batter into the pan.
In a pinch bowl, stir together topping. Sprinkle batter with cinnamon "sugar" mixture.
Bake for about 38-40 minutes. *Important* Turn the oven off, but leave the loaf in the oven for another 5-10 minutes with the door shut to cool gradually. Then remove and cool the loaf on a wire rack before cutting.
Allow to cool completely before cutting.
To store: Stays fresh at room temperature for about 2-3 days loosely wrapped. For longer storage, keep refrigerated or frozen (pre-sliced)Sweetener Alternatives: *always sweeten to taste*