"Here's what you need: unsalted butter, semi-sweet chocolate chips, granulated sugar, brown sugar, vanilla extract, salt, large egg, all-purpose flour, dark cocoa powder, nonstick cooking spray..."
INGREDIENTS
•
1 cup (2 sticks) unsalted butter
•
1½ cups semisweet or dark chocolate chips, divided
•
1½ cups granulated sugar
•
¾ cup brown sugar
•
1 tablespoon vanilla extract
•
1 teaspoon salt
•
3 large eggs
•
1¼ cups all-purpose flour
•
⅓ cup dark cocoa powder
•
Nonstick cooking spray, for greasing