Preheat the oven to 400 degrees F / 200ºc. In a large bowl, mix all the dry ingredients and keep ready. In another bowl, add the vinegar to almond milk and let curdle for a minute. Add the flax meal and mix. Add the pumpkin puree, salt, molasses, sugar and oil and mix well to combine. Add the wet to the dry and and mix till just about combined into a stiff-ish batter. Do not over mix. Spoon or pipe the batter into lined or greased muffin pan. Bake for 18-19 minutes or until a toothpick form the center comes out clean.