01 - Heat oven to 350°F. Grease a 9×5-inch loaf pan and line with parchment paper.
02 - Whisk flour, baking powder, baking soda, salt, ground ginger, cinnamon, and nutmeg in a large bowl.
03 - In a separate bowl, whisk melted butter and brown sugar until smooth. Incorporate eggs, then blend in milk, yogurt or sour cream, vanilla extract, and orange zest.
04 - Fold wet mixture into dry ingredients until just combined, avoiding overmixing.
05 - Gently fold in cranberries, crystallized ginger, and nuts if using.
06 - Pour batter into the prepared loaf pan, spreading evenly.
07 - Bake for 50 to 55 minutes, or until a toothpick inserted in the center emerges clean.
08 - Let loaf cool in pan for 10 minutes. Transfer to a wire rack to cool completely before slicing.