INGREDIENTS
1/2 cup
unsalted butter, softened to room temperature1
1/2 cup
granulated sugar
1/2 cup
packed light or dark brown sugar
1
large egg, room temperature preferred1
1 tsp
vanilla extract
1 cup
all-purpose flour (spoon & leveled)
1/2 cup
+ 2 Tablespoons (53g) natural unsweetened cocoa powder
1 tsp
baking soda
1/8 tsp
salt
2 tbsp
milk
1
and 1/4 cups (225g) white chocolate chips, plus a few more to sprinkle on top