Classic Fudgy Brownie Bars (9×13 Pan)

1️⃣ Preheat oven to 350°F (175°C).
2️⃣ Grease or line a 9×13-inch baking dish with parchment paper.
3️⃣ In a large bowl, whisk melted butter and sugar until glossy.
4️⃣ Add eggs and vanilla; mix until smooth.
5️⃣ Stir in flour, cocoa powder, salt, and baking powder just until combined.
6️⃣ Fold in chocolate chips.
7️⃣ Spread evenly into prepared pan.
8️⃣ Bake 25–30 minutes (edges set, center slightly soft).
9️⃣ Cool completely before slicing.

 Pro Tips

• Slightly underbake for gooier centers.

• Add chopped nuts for crunch.

• Swirl in peanut butter or caramel before baking for a twist.