INGREDIENTS
1
Egg, whole large
1
Egg yolk
1 1/2 cups
All-purpose flour
1 tsp
Baking powder
1/2 tsp
Baking soda
1 cup
Brown sugar, packed
2/3 cup
Cake flour
3/4 cup
Cocoa powder, dark
1/4 cup
Granulated sugar
1 tsp
Kosher salt
14 tbsp
Butter, unsalted
1
bag (10 oz.), plus 1/3 cup reese's peanut butter baking chips*