Freeze pet treats in broth to give a nice cooling refreshment. Add whatever your pet likes. I have added drained Spring Water from tuna, and beef or veggie broth from the slow cooker. I add whatever amount of snacks and treats will fit in the container and set them in the freezer until frozen. I even added some peanut butter. Our dog Blackie LOVES them!
I have made several ahead and now can pop them out of the containers and slip them down into a ziplock bag. Here's a short video I did:
Source: I first saw this on Pinterest and then later realized it's an item for sale through Amazon.
Tuna Treats For Cats