In a small food mash up the raspberries and then pour in the chicken stock.
Mix until evenly combined and uniform in color.
Pour into dog bone molds, filling to the top.
Freeze for a minimum of 5 hours or overnight.
To remove tap on the counter to loosen then turn out. If you have any trouble, quickly run the mold under warm water to help the treats release then turn out.
Store in the freezer for up to 3 months.