I Tried That Chocolate Chunk Cookie That’s All Over Your IG Feed

INGREDIENTS

1 cup

plus 2 tablespoons (2 1/4 sticks) salted butter, cut into 1/2-inch pieces

1/2 cup

granulated sugar

1/4 cup

light brown sugar

1 tsp

vanilla extract

2 1/4 cups

all-purpose flour

6 oz

semi- or bittersweet dark chocolate, chopped (but not too fine, you want chunks, not thin shards of chocolate)

large egg, beaten

demerara sugar, for rolling

flaky sea salt, such as Jacobsen, for sprinkling