INGREDIENTS
1/2 cup
unsalted butter (1 stick), melted
1/3
heaping cup peanut butter (I use Jif, Skippy or similar; natural PB can separate and/or be too oily)
1
large egg
1 cup
light brown sugar, packed
1 tbsp
vanilla extract
1 cup
all-purpose flour
1 cup
semi-sweet chocolate chips + 2 tablespoons, for sprinkling