INGREDIENTS
5 tbsp
unsalted butter, softened
1/4 cup
light brown sugar
1
egg yolk (from a large egg)
1/2 cup
plus 1 tbsp all purpose flour
scant pinch salt
1/3 cup
mini chocolate chips
6 tbsp
unsalted butter
1/2 cup
granulated sugar
1/4 cup
unsweetened cocoa powder
1
large egg
1/4 tsp
vanilla extract
3 tbsp
all purpose flour
Maldon or other large-grain salt, for topping (optional)