INGREDIENTS
3 tbsp
unsalted butter, melted and cooled
2 tbsp
creamy peanut butter
1/4 cup
light or dark brown sugar
1
large egg yolk
1/2 tsp
vanilla extract
1/2 cup
all-purpose flour
1/4 tsp
baking soda
1/4 tsp
coarse salt
1 cup
(57-85 grams) semi-sweet chocolate chips, per your preference