Making the Best Lemon Brownies is straightforward with these step-by-step instructions:

1. Preheat the Oven: Set your oven to 350°F (175°C) and grease a 9×9-inch baking pan.
2. Mix Wet Ingredients: In a large bowl, combine the melted butter, granulated sugar, lemon zest, and eggs. Whisk until well blended.
3. Add Vanilla: Stir in the vanilla extract to incorporate it fully into the mixture.
4. Combine Dry Ingredients: In another bowl, mix together the flour, baking powder, and salt.
5. Combine Mixtures: Gradually add the dry mixture to the wet mixture, stirring just until combined. Don’t overmix.
6. Incorporate Lemon Juice: Gently fold the lemon juice into the batter, ensuring it’s evenly distributed.
7. Pour into Pan: Transfer the batter into the prepared baking pan and spread evenly.
8. Bake: Place in the preheated oven and bake for 25-30 minutes or until a toothpick inserted in the center comes out clean.
9. Cool: Remove from the oven and let it cool in the pan for about 15-20 minutes before transferring it to a wire rack to cool completely.
10. Dust with Powdered Sugar: Once cool, dust the top with powdered sugar if desired for an added touch of sweetness.

By following these steps, you’ll ensure that your lemon brownies are perfectly baked and delicious every time!