Healthy Peanut Butter Fudge

peanut butter or allergy-friendly alternative (110g)

large banana (150g) (Can sub with 2/3 cup coconut butter)

pure vanilla extract

salt (I also used salted peanut butter)

coconut butter OR melted virgin coconut oil (You can sub with 2 tbsp pb. Texture will just be less fudge-like. Or see note below for a possible substitution.) (20g)

uncut stevia OR 2 tbsp powdered sugar or  pure maple syrup