A moist, chewy cookie topped with a thick layer of chocolate. You can also try these as “chunk-ins”—breaking up the cookies and folding them into vanilla ice cream.
Preheat the oven to 375°F. Butter four baking sheets (or sheets of aluminum foil); set aside. In an electric mixer at medium speed, beat the butter and peanut butter until well combined. Gradually add the granulated and brown sugars, beating until fluffy. Add th