01 -
Preheat oven to 350°F (175°C). Line an 8×8-inch baking pan with parchment paper.
02 -
In a large bowl, beat together butter and sugar until light and fluffy.
03 -
Add eggs one at a time, then mix in lemon juice, zest, and vanilla extract.
04 -
Stir in flour and salt until just combined.
05 -
Pour batter into the prepared pan and smooth the top.
06 -
Bake for 22–25 minutes or until a toothpick inserted in the center comes out clean.
07 -
Let cool completely in the pan before adding glaze.
08 -
For the glaze, mix powdered sugar, lemon juice, and zest until smooth.
09 -
Spread glaze evenly over cooled brownies and chill for 15 minutes before slicing.