Roast or microwave one large sweet potato until soft. Scoop out the inside and reserve 3/4 cup
In a medium bowl, combine the mashed sweet potato, vanilla extract, melted coconut oil, raw honey, and egg
Add the almond meal, coconut flour, and baking powder. Mix well
Grease a 9×5 inch loaf pan and pour in the batter, pushing it into all the corners and middle of the pan to avoid large air bubbles. Smooth out the top
Place the blueberries in a single layer on the top and gently press the berries into the batter
Bake for 35-40 minutes, or until the middle is set
Let cool and cut into small bars. Serve immediately or refrigerate to store