A simple dessert perfect for birthdays, parties, or anytime you need an easy dessert.
In a medium bowl, whisk together flour, baking cocoa, baking soda, and salt. Set aside. In a mixing bowl, cream butter and sugars until mixture is light and fluffy, about 2 minutes.
Add egg and vanilla. Mix until they are fully incorporated. Add flour mixture, and beat until just combined. Stir in chocolate chips.
Transfer dough to a 10-inch ovenproof skillet or pan, and press to flatten, covering bottom of pan. Bake until edges are brown and top is golden, 22 to 25 minutes. Don’t over bake.