Preheat the oven to 350 degrees.
In a large bowl, mix the oat flour and cinnamon.
Add the mashed banana, flax eggs, and nondairy milk, and mix into a thick batter.
Fold in the cranberries and pour into a nonstick or lined loaf pan, and bake for 40 minutes.
Let the banana bread cool for at least 20 minutes before carefully turning it out to cool completely before slicing.
For an extra pretty effect and a bit more tangy + tart cranberry flavor, half the thawed cranberries then mix the juice leftover from thawing with vegan yogurt, then drizzle over the banana bread.
Store leftovers in the refrigerator.