01 -
Line an 8-inch square baking pan with parchment paper and spray with non-stick cooking spray to ensure easy removal.
02 -
Set the oven temperature to 350°F (175°C).
03 -
In a medium mixing bowl, use an electric hand mixer to blend the yellow cake mix, lemon pudding mix, lemon juice, eggs, and lemon zest until well incorporated.
04 -
Pour the prepared batter into the lined baking pan and use a spatula to spread it evenly.
05 -
Place the pan in the preheated oven and bake for 22-24 minutes until a toothpick inserted into the center comes out clean or with only moist crumbs.
06 -
Allow the brownies to cool in the pan for 10 minutes. Then, using the edges of the parchment paper, lift them out and let them cool completely.
07 -
Whisk powdered sugar and lemon juice in a mixing bowl until smooth. If needed, add a few extra drops of lemon juice to achieve the desired consistency.
08 -
Slice the cooled brownies into squares, drizzle the glaze over the top, and sprinkle with lemon zest if desired.