In a bowl, mix together the eggs, coconut sugar, vanilla, and greek yogurt until creamy. Add in the almond milk and apple cider vinegar and continue to mix. Fold in the almond flour, coconut flour, baking powder, cinnamon, and sea salt until no flour clumps remain. Stir in the blueberries until coated.
2 eggs, ½ cup coconut sugar, 1 tsp vanilla, ⅔ cup greek yogurt, 1 cup almond milk, 1 Tbsp apple cider vinegar, 2 cups almond flour, 2 Tbsp coconut flour, 2 tsp baking powder, 2 tsp cinnamon, ¼ tsp sea salt, 2 cups fresh blueberries