What are some creative ways to make frosting for dog treats?

One creative way to make frosting for dog treats is to mix plain yogurt with a small amount of honey or peanut butter for a tasty and dog-friendly topping. Another option is to blend mashed sweet potatoes with a bit of coconut oil for a colorful and nutritious frosting. Be sure to avoid using ingredients that are harmful to dogs, such as chocolate or xylitol.