House & Home - Ottolenghi's Chocolate, Banana And Pecan Cookies

Ingredients

• 8 tbsp/110 g unsalted butter, at room temperature, cubed
• 1/2 cup plus 2 tsp/110 g granulated sugar
• 1 large egg, lightly beaten
• 1 cup/125 g all-purpose flour
• ½ tsp baking powder
• 3 1/2 tbsp/20 g Dutch-processed cocoa powder
• ½ tsp ground cinnamon
• ¼ tsp salt
• 3/4 cup/100 g dark chocolate chips (70% cocoa solids), or 3 1/2 oz/100 g dark chocolate, cut into 1/4-inch/0.5-cm pieces
• 2 oz/55 g mashed banana (about ½ small banana)
• 1 1/3 cups/165 g pecan halves, finely chopped
• 3/4 cup plus 1 tbsp/100 g confectioners’ sugar