INGREDIENTS
1
stick/1/2 cup unsalted butter
1/2 cup
granulated sugar
1/2 cup
light brown sugar, packed
1
large egg
1/2 tsp
pure vanilla extract
1 1/4 cups
all-purpose flour
1/2 tsp
kosher salt
1/2 tsp
baking soda
1/2 cup
unsweetened cocoa powder
1 1/2 cups
chocolate chunks
2 tbsp
kosher salt for sprinkling on top