A very popular holiday no-bake confection in Newfoundland, these Stained Glass Window Slices were enjoyed all year round in our home. My mom would prepare these whenever the mood hit and they were delicious every single time. You can add salted peanuts to these too!
Measure the butter, peanut butter, and semi-sweet chocolate chips into a large microwave-safe bowl. Microwave in 30-second increments, stirring well between each increment until all three of those ingredients are combined, creamy, and smooth. Set aside to cool for 5 minutes.
In the meantime, lay a sheet of aluminum foil over a half sheet pan. If possible, use heavy-duty foil and be sure to use a large enough piece so that the ends drape over the sides of the sheet pan. Place a sheet of parchment paper onto the foil. (A half sheet pan measures 13 x 18 inches.)
Sprinkle 1/4 cup of the coconut lengthwise down the center of the parchment paper and set aside.
Next, stir the marshmallows into the melted chocolate mixture. Stir well, ensuring that every single mini marshmallow is covered with chocolate.
Spoon the marshmallow mixture into a large log lengthwise down the center of the parchment paper. Sprinkle the remaining coconut over top and along the sides of the marshmallow log.
Fold one side of the parchment paper up over the log followed by the opposite side. They should slightly overlap.
Repeat that with the aluminum foil. Firmly roll the whole log, pushing gently to compact the marshmallow and chocolate mixture. Twist the foil ends to seal.
Transfer the log to your refrigerator for at least 2 hours before unwrapping and cutting into 1/3rd inch slices.