01 -
Preheat oven to 175°C. Line a standard loaf pan with parchment paper and lightly coat with non-stick baking spray.
02 -
In a medium bowl, whisk together the flour, baking powder, baking soda, and salt until evenly combined.
03 -
In a separate large mixing bowl, whisk together the sugar, eggs, egg yolk, milk, sour cream, oil, lemon zest, and lemon juice until homogeneous.
04 -
Add the dry ingredient blend to the wet mixture, folding gently with a spatula until just incorporated. Avoid overmixing to ensure a tender crumb.
05 -
Transfer the batter into the prepared pan, smoothing the surface. Bake on the middle oven rack for 50 to 55 minutes, or until a skewer inserted in the centre emerges clean or with a few moist crumbs.
06 -
Remove the pan from the oven. Place it on a cooling rack and allow the bread to cool completely before glazing.
07 -
In a small bowl, whisk powdered sugar with lemon juice until a smooth, pourable glaze forms.
08 -
Remove the loaf from the pan, peel off parchment, and set it on a rack. Pour glaze evenly over the cooled loaf and allow glaze to set several minutes before slicing.