Preheat the oven to 350F.
Prepare the Pan: Line a 9X5 in loaf pan with parchment paper for easy removal or use a silicone loaf dish. No greasing or parchment paper needed.
Mix Dry Ingredients: In a medium bowl, whisk together the dry ingredients. Flour, sugar, baking powder, and salt.
Use a grater to zest 2 large lemons into the dry ingredients. You want at least 2 tablespoons. Whisk it all together and set aside.
In a small bowl, microwave butter until melted. Set aside to cool a bit.
Combine Wet Ingredients: In another large bowl add the wet ingredients. Beat 2 eggs until smooth using an electric mixer, then add oil, sour cream, and lemon juice.Add the melted butter. Stir it all together.
Make the Batter: Add the dry ingredients using a spatula stir until combined making sure that everything is incorporated. Do not overmix. A few lumps are ok.
Bake: Pour the batter into the prepared pan and smooth out the top bake at 350F for about 50-55 minutes, or until toothpick inserted into the center comes out clean.
Cool: Allow the loaf to cool in the pan for 10 minutes before transferring to a wire rack.
Add the Glaze: Whisk powdered sugar and lemon juice together until smooth. Drizzle over the cooled loaf. Let it set, then add another layer of glaze to get that nice thick coat.
