Slow Cooker Peanut Butter Fudge

Combine sweetened condensed milk and chocolate chips in a slow cooker.

Cook on Low with lid off, stirring every 10 minutes, until thick, about 50 minutes.

Turn off slow cooker and stir in peanut butter cups. Pour mixture into a 9x13-inch pan and refrigerate for 2 hours.

Cut cooled fudge into squares.