Ingredients
1 medium egg
230g banana, mashed
125ml vegetable oil
125ml water
250g wholemeal flour
1 tsp. bicarbonate of soda
2 1/4 tsp. baking powder
150g blueberries
Method
Preheat an oven to 180 C / Gas mark 4. Grease 12 muffin cups, or line with paper muffin cases.
In a large bowl, mix the egg, mashed bananas, water and oil. Once combined, mix in the flour, bicarbonate of soda and baking powder until mostly smooth (small lumps of banana is fine).
Gently fold the blueberries into the mixture.
Bake in the preheated oven for about 12-15 minutes or until golden on top.