Preheat oven to 400 degrees F. Spray an 8x8 square baking dish with non-stick spray. Set aside.
In a small bowl, add the ground flax egg and water together to make a flax egg. In a separate bowl, combine apple cider vinegar and dairy free milk to make a vegan buttermilk. Let both sit for 10 minutes.
In a large bowl, combine gluten free flour, cornmeal, baking powder, baking soda, and salt. Whisk together.
In a separate bowl, whisk together the brown sugar and melted butter. Pour in maple syrup and whisk together again. Add the flax egg and slowly pour in the vegan buttermilk while whisking until combined.
Pour the wet ingredients into the dry and stir together with a spatula just until combined.
Pour batter into prepared pan and bake for 20-25 minutes or until a toothpick come out clean.
Best served warmed.
*See post for notes about Top 8 Allergy Free variation**Nutritional facts are just estimates. Please utilize your own brand nutritional values to double check against our estimates.