Preheat the Oven: Set your oven to 350°F (175°C) and line an 8x8-inch baking pan with parchment paper or lightly grease it to prevent sticking.

Melt the Butter: In a microwave-safe bowl, melt the butter in short bursts (about 30 seconds at a time). Stir between each burst until the butter is completely melted and smooth.

Mix the Sugars and Butter: In a large mixing bowl, whisk together the melted butter, granulated sugar, and brown sugar until smooth and creamy.

Add the Eggs and Vanilla: Beat in the eggs, one at a time, followed by the vanilla extract. Mix until everything is well combined.

Combine Dry Ingredients: In a separate bowl, whisk together the all-purpose flour, cocoa powder, baking powder, and salt.

Add the Dry Ingredients: Gradually fold the dry ingredients into the wet mixture. Stir until just combined—be careful not to overmix, as this can affect the texture.

Add Chocolate Chips (Optional): If you're using chocolate chips, gently fold them into the batter for an extra chocolatey treat.

Bake: Pour the brownie batter into the prepared baking pan, spreading it evenly. Bake for 25-30 minutes or until a toothpick inserted in the center comes out with a few moist crumbs (not wet batter). The brownies should be soft but set.

Cool and Serve: Let the brownies cool in the pan for about 10 minutes before transferring them to a wire rack to cool completely. Once cooled, slice into squares and enjoy!