Preheat your oven to 350°F (175°C) and grease a loaf pan.

In a large mixing bowl, whisk together the all-purpose flour, baking powder, and salt until evenly combined.

In a separate bowl, cream together the softened unsalted butter and granulated sugar using an electric mixer until light and fluffy.

Add eggs to the butter mixture one at a time, mixing well after each. Gently fold in the fresh orange zest.

Gradually add the dry ingredients to the wet mixture, stirring just until combined.

Fold in the cranberries until evenly distributed.

Pour the batter into the greased loaf pan and bake for 50-60 minutes, or until a toothpick comes out clean.

Allow the cake to cool in the pan for 10 minutes, then transfer to a wire rack to cool completely.

Optional: Drizzle with icing made of powdered sugar and orange juice.