01 - Combine dried fruit and mixed peel in a bowl. Pour hot tea over the mixture, cover, and let soak for 1 hour or overnight for enhanced plumpness.
02 - Preheat oven to 340°F. Grease and line a 2-pound loaf tin with parchment paper.
03 - Sift flour, baking powder, cinnamon, mixed spice, and salt into a large bowl. Stir in brown sugar until evenly distributed.
04 - Whisk egg with melted butter and orange zest (if using) in a separate bowl until well blended.
05 - Pour wet mixture and soaked fruit with remaining tea into dry ingredients. Fold gently until just combined—do not overmix.
06 - Transfer batter to prepared loaf tin and smooth surface. Bake for 55-65 minutes until a skewer inserted in the center emerges clean.
07 - Let bread cool in tin for 10 minutes, then remove to wire rack. Cool completely before slicing. Serve plain or buttered.