Preheat the oven to 350℉/175℃/Gas Mark 4.
In a medium bowl, whisk the all-purpose flour, baking powder, salt, and lemon zest together. Set aside.
In a large bowl, cream the softened butter and granulated sugar together. About 2-3 minutes.
While the electric beaters are running, add the eggs one at a time. Then add the vanilla extract and lemon juice. Continue to beat until fully mixed together. About 4-5 minutes. Scrape the sides of the bowl as needed.
Add the dry ingredients to the wet ingredients and beat on low until just mixed. Add the milk and incorporate.
Grease a 9x5 loaf pan. Pour the lemon batter into the pan and bake for 45-55 minutes or until golden brown or a knife inserted comes out clean.
While the loaf is baking make the lemon syrup and lemon icing.
To make the lemon syrup, whisk together the lemon juice and powdered sugar. Set aside until needs.
To make the lemon icing, whisk together the powdered sugar, lemon juice, and whole milk. Keep in the fridge until needed.
Let sit for about 10 minutes in the loaf pan then remove and pour the lemon syrup mixture onto the lemon loaf. This keep the loaf moist and tender.
Let the moistened loaf sit on a cooling tray until fully cool, then ice with the lemon icing.
Serve and enjoy!