Can Dogs Eat Sweet Potatoes? Raw vs Cooked & Portion Guide

However, raw sweet potato is a no from us (and most vets) as it’s harder for your fur baby to digest and can be a choking hazard. 

If eating sweet potato makes your dog’s tail wag, read on to find out the best ways to add it to their diet.

Are Sweet Potatoes Safe for Dogs?

Sweet potatoes themselves are not toxic to dogs and are widely used in grain-free dog foods and treats in the UK. Like beans, cabbage, and peas, they’re considered safe when they’re cooked plain and served in moderation as part of a balanced diet. 

The main safety concerns pop up when sweet potatoes are:

• Fed raw
• Served with butter, oil, salt, or seasoning
• Given in large, frequent portions
• Used as a main calorie source instead of a complete dog food

If your dog has existing health issues (such as diabetes, pancreatitis or gut problems), you’ll want to check in with your vet before adding sweet potato to their bowl.

Raw vs Cooked: What’s Best?

Can Dogs Eat Raw Sweet Potato?

We don’t recommend feeding your dog raw sweet potatoes. Sweet potatoes are tough and fibrous, making them difficult for dogs to digest, which can lead to gas, bloating, constipation, or diarrhoea. 

Raw chunks of sweet potato are firm, so they can pose a choking risk, especially for smaller breeds or enthusiastic eaters.

 If your dog hovers at your feet while you’re peeling sweet potatoes, hoping you’ll drop something, it’s best to redirect them to something safer (and much tastier) from your treat cupboard.

Can Dogs Eat Cooked Sweet Potato?

Yes. Cooked sweet potato is the safest and most useful way to feed it to your dog. Cooking makes it softer, so it’s far easier to chew and digest, and can make some nutrients easier to digest.

You can boil or steam it, bake or roast it without oil or seasoning, or cook it and then allow it to cool before serving plain. Always remember to thoroughly wash and peel the sweet potatoes before you begin preparing them for your pooch. 

Avoid chips, wedges, mash with butter or milk, and anything seasoned with garlic, onion, herbs, salt, sugar, or sauces.

What are the Benefits of Sweet Potatoes for Dogs?

Sweet potato can be more than just a filler. It offers several benefits, including:

• Complex carbohydrates for energy. Sweet potatoes provide slow-release carbohydrates that can help fuel active dogs when fed alongside a complete diet. 
• Fibre for digestion. Sweet potatoes are naturally high in fibre, which can help support normal bowel movements and contribute to a healthy gut when fed in small portions. 
• Vitamins and minerals. Sweet potatoes contain beta-carotene (a precursor to vitamin A), vitamin C, vitamin B6, potassium, and manganese, all of which support wellbeing. 
• Low in fat. For dogs who need to avoid high-fat treats, sweet potato is a useful low-fat option when it’s simply boiled or baked. 

Some pet nutrition sources like Webbox highlight sweet potatoes for gut health, satiety, and stool quality when used correctly, which is why they’re included in many grain-free and sensitive-stomach dog foods.

Risks and When to Avoid Sweet Potato

Sweet potatoes are safe for most dogs to eat. But they’re not completely risk-free. How you feed them (and to which dog) really matters.

Puppies

Once puppies are fully weaned and confidently eating solid food, you can offer a tiny amount of cooked, mashed sweet potato as a one-off taste. Just remember, your puppy’s digestive system is still developing, so:

• Start with a teaspoon for small/medium pups
• Avoid raw or firm chunks
• Watch out for any signs of diarrhoea or vomiting

Puppies have different nutritional needs to adult dogs, so their main calories should come from a complete puppy diet, not “extras.”

Obese or Overweight Dogs

Sweet potatoes might look wholesome, but they’re still a concentrated source of carbohydrates and calories. If you feed them to your dog too frequently or in large amounts, they can contribute to weight gain, especially in less active dogs. 

If you’re keeping an eye on your dog’s weight, it’s best not to give them too much sweet potato. You might prefer to give them low-calorie, carefully portion-controlled treats so you can track their calorie intake (and still say yes when those big hopeful puppy-dog eyes appear).

Dogs with Diabetes

Sweet potatoes have a relatively high glycaemic index so they can cause blood sugar spikes. If your dog is diabetic or you’ve been told they’re at risk of diabetes, you should only feed them sweet potato with your vet’s approval. 

Your vet might suggest avoiding starchy treats altogether and sticking to a therapeutic or carefully balanced diabetic diet for your dog.

Dogs with Sensitive Stomachs

The fibre in sweet potatoes can be a blessing or a curse. In small amounts, it can help firm up loose stools and support beneficial gut bacteria. But too much can lead to gas, bloating, and diarrhoea. 

If your dog has a sensitive tum, introduce sweet potato to their diet very slowly. Offer on a small, mashed portion, and stop immediately if you notice any discomfort, vomiting, or loose stools.

Dogs with Existing Health Conditions

If your dog has pancreatitis, kidney disease, food allergies, or is on a prescription diet, always ask your vet before feeding them sweet potato. 

Extra carbs or fibre can clash with some clinical diets, and even a “healthy” treat like sweet potato might not be good for them.

Portion Guide: How Much Sweet Potato Can Dogs Eat?

Sweet potato should be treated as an extra, not a dietary staple. About 50g (roughly a quarter cup) of baked sweet potato flesh contains around 45 calories. This can be quite a lot for a small dog, especially if your snack-loving sidekick is already eyeing up the dog treat tin. 

The Canine Dietitian says treats such as “sweet potato should make up now more than 5-10 per cent of daily calories when used as a topper or treat.” 

They also offer a simple portion guide for cooked, plain sweet potato: 

• Small dogs (under 10kg – Miniature Dachshund, Yorkshire Terrier, Cocker Spaniel, Pug, French Bulldog) – 10-25g per day
• Medium dogs (10-25kg – Border Collie, Beagle, Staffordshire Bull Terrier) – 25-50g per day
• Large dogs (25kg+ – Labrador, Golden Retriever, German Shepherd, Husky) – 50-75g per day

If you’re also giving your dog other starchy treats (like biscuits or chews containing sweet potato), you’ll need to reduce either the portions or the frequency so you don’t end up doubling the carbs.

How to Serve Sweet Potato to Your Dog

• Boiled or steamed: Peel, chop into chunks, boil or steam until soft, then cool and mash or dice. 
• Baked or roasted: Bake whole or large chunks (no oil), scoop out the soft flesh once cooled, and discard any tough skin. 
• Mashed: Mash with a fork and serve a spoonful mixed through your dog’s usual food as an occasional topper. 
• Dehydrated: Follow this recipe to make easy one-ingredient dried sweet potato treats for your furry friend. 

Key rules: 

• No oil, butter, or lard
• No salt or stock cubes
• No herbs, garlic, onion, or spices

Can Dogs Eat Sweet Potato Skin?

Sweet potato skin isn’t toxic, but it can be harder for your dog to digest and could even give them an upset tummy – especially when it’s thick or slightly crispy. It’s best to peel sweet potatoes for dogs, especially for small breeds and pups with digestive issues.

Can Dogs Eat Canned or Ready-Made Sweet Potato?

Plain canned sweet potato without syrup, sugar, or added flavours can be safe for your dog in small amounts, but you’ll need to check the label very carefully. 

Avoid anything in syrup, sweetened, with spices or flavourings, or mixed into pie fillings or desserts. 

If you wouldn’t eat it as “plain veg,” then it probably isn’t right for your dog.

Dog-Friendly Sweet Potato Ideas

• Sweet potato training cubes. Boil, cool, and cut into tiny soft cubes to use as training treats for larger dogs. Just remember to cut back on other treats that day. 
• Mash topper. Stir a spoonful of plain mashed sweet potato through your dog’s complete meal as an occasional, tasty change-up. 

Stuffed enrichment toys. Mix cooled mashed sweet potato with a little of your dog’s usual kibble, stuff the mixture into a suitable chew toy, and freeze for a longer-lasting activity that keeps your snack-obsessed pooch busy for a while.

Frequently Asked Questions

Final Thoughts

Sweet potatoes can be a healthy, dog-friendly ingredient when they’re cooked, plain and fed in moderation. However, they’re still a starchy carb, and even though they’re considered a doggie superfood, your dog doesn’t need to eat them every day. 

For most healthy adult dogs, a spoonful or two of boiled or baked sweet potato now and then is a tasty, low-fat extra, especially when balanced with a complete diet and high-quality dog treats. 

If your dog is a puppy, overweight, diabetic, has a sensitive stomach, or has any other existing medical condition, it’s always best to check with your vet before adding sweet potato to their bowl.