INGREDIENTS
2
and 1/4 cups (280g) all-purpose flour (spoon & leveled)
1 tsp
baking soda
1
and 1/2 teaspoons cornstarch
1/2 tsp
salt
3/4 cup
or 170g) unsalted butter, melted1
3/4 cup
packed light or dark brown sugar
1/2 cup
granulated sugar
1
large egg + 1 egg yolk, at room temperature2
2 tsp
pure vanilla extract
1 cup
semi-sweet chocolate chips or chocolate chunks