Place chocolate chips and 1/2 cup whipped topping in microwave safe dish. Microwave and stir in 15 second intervals until melted and smooth.
Line a large loaf pan with plastic wrap.
Evenly spread 1½ cups whipped topping. Followed by a layer of chocolate graham crackers. Then smear on the melted chocolate. Repeat until loaf pan is full. End with a layer of chocolate graham crackers.
Cover and freeze for at least 24 hours.
Invert onto platter and top with chopped York Minis.
Slice, serve and enjoy!
Notes
*If the frozen tubs of whipped topping are not available in your area, regular whipped cream can be used instead.