Short answer: yes. You can put hard icing on dog treats, as long as you make it yourself from dog-safe ingredients. A simple mix of cornstarch or arrowroot, a little coconut oil, and plain unsweetened yogurt will set firm at room temperature and is perfectly fine for most dogs in small amounts. What you cannot do is grab a tube of human icing off the grocery shelf. Store-bought frosting is loaded with sugar, and some sugar-free versions contain xylitol, which is toxic to dogs even in tiny doses.
I'm Preston, co-founder of Bully Sticks Central. We sell single-ingredient chews, not baked goods, so I'll be straight with you: decorated treats are a fun occasional thing, not everyday nutrition. But birthdays happen, gotcha days happen, and it's nice to have a recipe that won't hurt your dog.
What Makes Icing Safe or Unsafe for Dogs?
Three ingredients disqualify an icing immediately:
- Xylitol (also labeled birch sugar). The FDA warns that xylitol causes a rapid, dangerous drop in blood sugar in dogs and can lead to liver failure. Check every label. FDA guidance here.
- Chocolate. Theobromine is toxic to dogs. If you want a cocoa look, use carob instead, which is dog-safe.
- Raw egg whites. Traditional royal icing hardens because of meringue powder or raw egg white. Raw egg carries a salmonella risk, and the ASPCA also notes that raw egg whites can interfere with biotin absorption over time.
Beyond that, keep sugar to zero and dairy modest. Plenty of dogs are lactose-sensitive, so a spoonful of yogurt is fine but a heavy dairy glaze isn't.
Dog-Safe Hard Icing Recipe
This makes enough to decorate roughly a dozen biscuit-sized treats.
Ingredients
- 2 tablespoons cornstarch or arrowroot powder
- 1 teaspoon coconut oil, melted
- 1 to 2 tablespoons plain, unsweetened, low-fat yogurt
- Optional color: a teaspoon of pureed beet (red), pumpkin (orange), or blueberry (blue)
- Optional flavor: a teaspoon of xylitol-free peanut butter or carob powder
Directions
- Whisk the cornstarch and melted coconut oil together in a small bowl.
- Add yogurt one teaspoon at a time until the mixture is smooth and pipeable, roughly the thickness of toothpaste. Too runny and it will never set; too thick and it will clog your bag.
- Stir in color or flavor if you're using it.
- Pipe onto completely cooled treats using a piping bag or a zip-top bag with one corner snipped off. Warm treats will melt the coconut oil and the icing will slide right off.
- Set at room temperature for two to three hours, or in the fridge for about 30 minutes.
Why Won't My Dog Treat Icing Harden?
Almost always one of three things: too much yogurt, treats that were still warm when you piped, or humidity. Add cornstarch a half teaspoon at a time to thicken, and give it fridge time. A yogurt-and-starch icing sets firm to the touch but never gets as glassy as royal icing, and that's fine.
How Long Do Iced Dog Treats Last?
Because there's yogurt in it, treat these like fresh food. Store iced treats in an airtight container in the refrigerator and use them within five to seven days, or freeze for up to three months. This is the real tradeoff with homemade decorated treats: they're perishable in a way that a dried chew isn't.
Where Iced Treats Fit in Your Dog's Diet
A good rule from most veterinary sources is the 10 percent rule: treats of all kinds should stay under 10 percent of your dog's daily calories. Iced biscuits eat into that budget fast, and they're mostly flour and starch.
That's why our whole business is built the other direction. Every chew we make is single-ingredient and 100% natural, 100% real meat, fully digestible, with no rawhide. Everything is ethically sourced from grass-fed American and Argentinean farms and 100% high-quality guaranteed. When you want a treat that also does something for your dog, a bully stick gives them twenty minutes of chewing rather than twenty seconds of frosting.
My honest take: bake and decorate for the birthday photo, then go back to real meat the rest of the year. If you're feeding a young dog, our guide to bully sticks for puppies covers what's appropriate at what age.
Quick Answers
Can dogs eat royal icing? Not the traditional kind. It's built on powdered sugar and raw egg white or meringue powder. Use the yogurt-and-starch version above instead.
Can I use human food coloring? Small amounts of standard food coloring aren't considered toxic, but pureed vegetables and fruit do the job without the additives.
Is peanut butter safe in dog icing? Yes, as long as it contains no xylitol. Read the label every single time, including on brands you've bought before, since formulas change.
As always, check with your veterinarian before introducing new foods, especially if your dog has allergies, pancreatitis, or a sensitive stomach. Reference material from the American Kennel Club, VCA Animal Hospitals, and the ASPCA.
This post was last updated at August 7, 2026 05:58
