INGREDIENTS
1 1/4 cups
all-purpose flour
1/3 cup
unsweetened cocoa powder
1/2 tsp
baking soda
1 stick
plus 3 tablespoons (11 tablespoons or 150 grams) unsalted butter, at room temperature
2/3 cup
(packed) light brown sugar
1/4 cup
sugar
1/2 tsp
fleur de sel or 1/4 teaspoon fine sea salt
1 tsp
vanilla extract
5 oz
bittersweet chocolate, chopped into chips, or a generous ¾ up store-bought mini chocolate chips