Chocolate Cherry Brownies

INGREDIENTS

• butter for greasing pan
• 2 cups / 10.5 oz / 300 g dried cherries
• scant cup / 200 ml / 7 fl oz port wine
• 1/2 cup / 2 oz / 55g / whole wheat pastry flour
• 1/3 cup / 1.5 oz / 40 g unsweetened cocoa powder
• 1/2 teaspoon fine grain sea salt
• 2 teaspoons baking powder
• 10.5 oz / 300g 55% dark chocolate chips/chunks
• 5 1/2 tablespoons / 2 3/4 oz / 80g unsalted butter
• 2 cups / 10.5 oz / sifted muscovado sugar
• 4 large eggs
• scant 1/2 cup / 3.5 oz / 100 g creme fraiche or sour cream
• 1 cup / 5 oz / 145 g chocolate chips/ chunks
• more cocoa powder, for dusting