Preheat your oven to 350 degrees Fahrenheit and line an 8x8 baking pan with parchment paper.
In a large mixing bowl with an electric mixer or using a stand mixer with a paddle attachment, beat the butter and sugar until light and fluffy.
Next, add in the eggs and mix until combined.
Then, add lemon juice and lemon zest and mix until combined. Note the batter might look curdled at this point, this is normal.
Add salt and all-purpose flour and mix until batter has formed. Be sure not to overmix.
Spread the brownie batter evenly in your prepared baking dish and bake for 25 minutes, or until it has just set in the middle. Be careful not to overbake, you want the thick texture like a brownie.
Remove the brownies from the oven and allow them to cool completely before adding the glaze.
While the brownies are cooling, make the glaze. In a medium bowl whisk together the confectioner’s sugar and lemon juice. You want to create a consistency of a thick but pourable glaze.
Once the brownies have cooled, remove them from the baking dish, spread the glaze over the top then serve and enjoy!
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Notes
You can store leftovers of these lemon bars in an airtight container at room temperature for 2-3 days. You can also store them in your fridge for up to 1 week.To freeze I would recommend doing so before adding the glaze by wrapping them in plastic wrap and placing them in an airtight container. They will last for up to 2 months.