Blueberry Buckle (Gluten Free & Vegan)

While I was visiting my mom last month, she asked me to convert her favorite blueberry buckle recipe.  We had just picked fresh blueberries in perfect overcast weather and it had started to rain - perfect baking weather and a respite from the oppressive heat and humidity.  Mom and I agree that this buckle turned out even better than we remember it.  She and the girls and I sat down together