INGREDIENTS
1
Egg, large
2
Egg yolks, large
1 cup
(packed) dark brown sugar, packed dark
60
(170 g) bittersweet chocolate
1 1/2 cups
All-purpose flour
3/4 tsp
Baking soda
1/4 cup
Granulated sugar
2 tsp
Vanilla extract
3/4 cup
(1 1/2 sticks; 169 g) unsalted butter, unsalted
1¼ tsp. (4 g) Diamond Crystal or ¾ tsp. (2 g) Morton kosher salt