Melt the butter in the slow cooker on low heat. Once the butter has fully melted add the marshmallows and allow them to melt (this will take several minutes), whisking occasionally, to combine the butter and marshmallows into one melted and creamy mixture.
Meanwhile unwrap the caramel creams and place parchment (or wax) paper on baking sheets.
Once the butter and marshmallows are completely incorporated, add the cocoa krispies cereal into the slow cooker making sure to evenly stir the cereal evenly throughout the melted marshmallow mixture. *Note - this will take a good bit of stirring, and elbow grease.
Lightly spray hands with baking spray to prevent sticking.
Scoop approximately ¾'s cup of the marshmallow cereal treat into the palm of your hand and flatten slightly. Add one of the unwrapped caramel creams into the center of the cereal treat and close the cereal treat around the caramel, forming it into the shape of a football.
Set the football treat onto the parchment paper and continue the same process with the remaining cocoa krispies in the cooker and the caramel creams.
To make the icing:
Whisk the icing ingredients together in a medium-sized bowl until the mixture is smooth and slightly thick but not too thick that the icing won't pipe out of a small hole, and not too thin that the icing won't hold it's shape after it's been piped to form the laces. *Note - if the icing is too thin, add more confectioner's sugar and if the icing is too thick, add a tiny touch more milk. The icing is ready when it holds its shape when drizzled back into the mixing bowl without immediately disappearing.
Spoon the prepared icing into the corner of a plastic sandwich bag (or disposable piping bag) and snip the tip of the bag to form a small hole for piping.
Pipe the football laces onto each cocoa krispies cereal treat football and allow the icing to dry before serving.
Notes
Store these in an airtight container at room temperature for up to 7 days.Refrigerate in an airtight container for up to 2 weeks.May be frozen. Store in an airtight freezer container or freezer bag and freeze for up to 3 months. Thaw in the refrigerator overnight, or on the counter at room temperature before serving.Best served at room temperature.