Rachel Allen's chocolate and banana bread recipe

Ingredients

• 75 g milk chocolate
• 250 g self-raising flour
• 1 pinch salt
• 1 tsp baking powder
• 150 g caster sugar
• 100 g butter, softened, plus extra to serve
• 50 g walnuts or pecans, chopped (optional)
• 2 eggs
• 1 tsp vanilla extract
• 1 orange, finely grated zest only
• 475 g whole bananas (about 4 small ones), peeled
• 50 g glace cherries (preferably organic), halved