Preheat oven 350°F. Butter and line a 9x5 inch loaf pan with parchment paper.
In a small bowl mix the flour and baking powder. Set aside.
Using a mixer cream the butter, sugar and lemon zest.
Beat in the eggs until smooth.
Using a spatula/spoon alternate mixing in the flour, lemon juice and milk.
Finally mix in the poppyseeds.
Pour the batter into the loaf pan. Bake for 50-60 minutes, or until a toothpick comes out clean.
Let cool completely before removing from the pan.
In a small bowl whisk the powdered sugar and lemon juice to make the glaze. Pour over the loaf and spread evenly across the top.
