First off its worth knowing what you should not feed your pet
Here is an interesting article by Rochelle Connery an E How contributor.
If you’re not fond of purchasing pre-made animal treats at you local pet store you can make your own pettreats at home with everyday household ingredients. However you need to be sure that you exclude any ingredients that could be potentially harmful to your pet.
Harmful Human Foods for pets
Chocolate, Onions, Raisins, Grapes and Macadamia nuts are all harmful or fatal to dogs ( bellaonline). You can substitute Carob in recipes that call for chocolate.
According to Dr. James Glover of petpeoplesplace.com chocolate is also unsafe for cats so it’s a good idea to exclude it from any pet that you own.
Safe Foods For Pets
Animals love pungent ingredients in their treats as their sense of smell can arouse a more a more tasty experience when they eat. Some of the most popular homemade animal treat ingredients include Garlic, Oregano,Sharp Cheese, Bacon and Salt.
Have a think about how much or how little of these pettreats you want to make and measure the ingredients accordingly.
I will list a few recipes on the site.