From the very friendly folks at RecipeGoldmine.com
Natural peanut butter does not contain hydrogenated oil or sugar so it makes a more healthful treat for your pup.
**Garlic and Onions can be toxic to dogs. Typically the problem is with large quantities not "seasoning portions". You should seek the advice of your veterinarian to find out if garlic used in minimal flavoring amounts is appropriate for your pet. If in doubt, leave the ingredient out.
Homemade dog treats are fun to make and healthier than many of the store-bought versions.