Preheat the oven to 350°F and grease a 9x13-inch baking pan. Line it with parchment paper for easy removal later.
In a large bowl, whisk together melted butter and sugar until smooth and slightly glossy. Don’t rush—this is where the fudginess begins.
Add the eggs one at a time, whisking well after each addition. Stir in the vanilla extract and take a second to appreciate the aroma.
Sift together the flour, cocoa powder, salt, and baking powder. Fold the dry ingredients gently into the wet mix until just combined—no overmixing, we’re not baking bread here.
Fold in the chocolate chips (if you’re feeling extra indulgent). Pour the batter into the prepared pan and smooth the top.
Bake for about 25 to 30 minutes, or until a toothpick inserted near the center comes out with a few moist crumbs. If it’s completely clean, you’ve gone too far—sad brownies aren’t welcome here.
Let them cool completely before cutting. Or don’t. I won’t judge you if you grab a spoon while they’re still warm.