These are not fluffy, but they are delicious. There chia seeds add a texture you either love or hate. I love it. You can use eggs instead which will make them lighter in texture.
2 bananas mashed
1/4 cup peanut butter
2 tbsp chia seeds mixed in 1/4 cup water left foot a few minutes. (Or two eggs)
1/4 self-raising flour
2tbsp cocoa powder
Broken pieces of dark chocolate (optional/to taste)
Mix all ingredients well.
Spoon into muffin tray. Alternatively put spoonfuls on a baking sheet to make flat cookies. Bake in pre heated oven 180 C 15-20 mins.