Preheat your oven to 350°F (175°C). Line a 9x13-inch baking dish with parchment paper, letting the edges hang over for easy lifting later.

In a large bowl, combine the softened butter and sugar. Use a whisk or electric mixer to blend them until the mixture becomes smooth and creamy.

Crack the eggs into the bowl, one at a time. Mix thoroughly after each egg to make sure the batter is evenly combined and fluffy.

In a separate bowl, stir together the flour, cocoa powder, baking powder, and salt. Make sure the dry ingredients are well mixed and free of lumps.

Slowly add the dry ingredients to the butter and sugar mixture, stirring gently until just combined. Avoid overmixing to keep the brownies soft and fudgy.

Sprinkle in the dark chocolate chips and gently fold them through the batter with a spatula, ensuring they’re evenly distributed.

Pour the batter into your prepared baking dish, spreading it out evenly with a spatula. Bake in the preheated oven for about 30–35 minutes. The brownies are ready when the top looks set and a toothpick inserted in the center comes out with a few moist crumbs.

Let the brownies cool completely in the pan. Once cooled, lift them out using the parchment paper overhang and place them on a cutting board. Slice into squares and en