Ingredients:
25 g - butter (5g for greasing and 20g for spreading)
2 slices - brown bread, a day old (slightly stale)
1 - egg
125 ml - whole milk
20 g - Demerara sugar (plus another teaspoon to sprinkle)
1 pinch - cinnamon
1 - ripe banana (small)
1 heaped tbsp - sultanas, raisins or mixed dried fruit