Can Dogs Eat Biscuits? A Complete Safety & Serving Guide
Can dogs eat biscuits? Learn which biscuits are safe, exact serving sizes by weight, toxic ingredients to avoid, and how to prepare them for your dog.
Plain, cooked biscuits made from simple ingredients (flour, water, a small amount of butter or egg) are generally safe for dogs in small portions. However, most store-bought biscuits contain added sugar, salt, leavening agents, and potentially toxic ingredients like xylitol, raisins, or chocolate chips that make them dangerous. Always check the ingredient list before offering any biscuit to your dog, and never feed raw biscuit dough.
If your dog has ever given you those pleading eyes while you're buttering a biscuit at breakfast, you're not alone. Biscuits — whether you mean the fluffy Southern-style buttermilk biscuit or the crisp British-style cookie — are a staple in many households. The good news is that a small piece of a plain, homemade biscuit won't harm most healthy adult dogs. The bad news is that the biscuits most of us actually eat are loaded with ingredients that range from unhelpful to outright toxic for canines.
This guide breaks down exactly what types of biscuits are safe, how much you can share based on your dog's weight, which ingredients to watch for, and what to do if your dog sneaks a whole biscuit off the counter. All serving recommendations here are based on the ASPCA's toxic and non-toxic foods database and veterinary nutritional guidelines.
What Exactly Counts as a "Biscuit" for Dogs?
Before we get into safety details, it's worth clarifying what we mean, because "biscuit" means different things depending on where you live:
- Southern/American biscuits: Soft, flaky quick breads made from flour, buttermilk, butter or shortening, and baking powder. Think the kind you serve with gravy or jam.
- British/Commonwealth biscuits: What Americans call cookies — crisp, often sweet baked goods like digestives, shortbread, or cream-filled varieties.
- Dog biscuits: Commercially produced hard treats specifically formulated for canine consumption (these are always safe and not what this article covers).
This article primarily addresses American-style biscuits and British-style cookies/cookies that a dog owner might share from their own plate. Both categories share a common base of wheat flour, fat, and some form of leavening or sweetening — and that's where the risks begin.
Which Biscuit Ingredients Are Safe — and Which Are Toxic?
A biscuit is only as safe as its ingredient list. Here's a breakdown of common biscuit components and what they mean for your dog:
| Ingredient | Safe? | Notes |
|---|---|---|
| All-purpose wheat flour | ✅ Yes | Safe in small amounts; not nutritionally valuable for dogs. Avoid if dog has wheat allergy or gluten sensitivity. |
| Butter | ⚠️ Small amounts | High fat content can trigger pancreatitis in susceptible dogs. A teaspoon is fine; a tablespoon is risky for small breeds. |
| Buttermilk | ⚠️ Small amounts | Most adult dogs are lactose intolerant. Small amounts in baked goods are usually tolerated; large amounts cause diarrhea. |
| Egg | ✅ Yes | Cooked egg is an excellent protein source. Fully baked into a biscuit is perfectly safe. |
| Baking powder/soda | ⚠️ In baked form only | Once baked, residual amounts are minimal. Raw dough with leavening agents can cause dangerous gas expansion in the stomach. |
| Sugar (white, brown) | ⚠️ Limit | Not toxic but contributes to obesity, dental disease, and insulin resistance. Dogs don't need added sugar. |
| Xylitol (birch sugar) | ❌ TOXIC | Life-threatening. Even small amounts cause rapid hypoglycemia and liver failure. Found in "sugar-free" and "keto" biscuits. Check every label. |
| Raisins/currants | ❌ TOXIC | Causes acute kidney failure. Common in fruit biscuits, tea biscuits, and scones. No safe dose exists. |
| Chocolate chips | ❌ TOXIC | Theobromine toxicity. Dark chocolate and baking chocolate are most dangerous. Found in many cookie-style biscuits. |
| Macadamia nuts | ❌ TOXIC | Causes weakness, tremors, hyperthermia. Common in white chocolate macadamia cookies. |
| Salt | ⚠️ Limit | Dogs need very little sodium. Excess salt causes excessive thirst, and in large doses, sodium ion poisoning. |
| Cinnamon | ✅ Yes (small amounts) | Not toxic in baked-good quantities. Large amounts of cinnamon powder can irritate the mouth and lower blood sugar. |
| Nutmeg | ❌ TOXIC | Contains myristicin, which causes hallucinations, increased heart rate, and seizures in dogs. Found in spiced biscuits. |
The single most dangerous ingredient to watch for is xylitol, an artificial sweetener increasingly common in "healthy," "low-sugar," and "keto" biscuit brands. According to the FDA, as little as 0.1 g/kg of xylitol can cause life-threatening hypoglycemia in dogs. A single sugar-free biscuit could contain enough to poison a small dog.
Safe Serving Sizes by Dog Weight
If you've confirmed your biscuit contains only safe ingredients (plain flour, butter, egg, buttermilk — no xylitol, raisins, chocolate, or nutmeg), here's how much you can safely share:
| Dog Weight Class | Weight Range | Max Safe Portion | Frequency |
|---|---|---|---|
| Toy/Small | Under 20 lb (9 kg) | ½ of a standard 2-inch biscuit (approx. 15 g) | Occasional treat, max 1–2× per week |
| Medium | 20–50 lb (9–23 kg) | 1 standard 2-inch biscuit (approx. 30 g) | Occasional treat, max 2–3× per week |
| Large | 50–90 lb (23–41 kg) | 1–2 standard biscuits (approx. 30–60 g) | Occasional treat, max 2–3× per week |
| Giant | Over 90 lb (41+ kg) | 2 standard biscuits (approx. 60 g) | Occasional treat, max 2–3× per week |
The 10% rule: Veterinary nutritionists recommend that treats and human food scraps should never exceed 10% of your dog's total daily caloric intake. A standard homemade buttermilk biscuit (2-inch diameter) contains approximately 75–100 calories. For a 30 lb (14 kg) dog needing roughly 700 calories per day, one biscuit already represents 10–14% of their daily budget — which means you'd need to reduce their regular meal slightly to compensate.
How to Prepare Biscuits Safely for Your Dog
If you want to share biscuits with your dog, preparation matters as much as ingredients. Follow these steps:
- Make them plain. The safest biscuit for a dog is a homemade one using just flour, water (or a small amount of buttermilk), and a teaspoon of butter. Skip sugar, salt, baking powder (use a tiny amount if needed for texture), and all spices except a pinch of cinnamon.
- Bake fully. Never feed raw biscuit dough. Raw dough with yeast or baking powder expands in the warm, moist environment of a dog's stomach, causing painful bloating and potentially life-threatening gastric dilatation. Bake at 425°F (218°C) until golden brown throughout — typically 12–15 minutes.
- Cool completely. Hot biscuit can burn your dog's mouth and esophagus. Let it cool to room temperature (about 15–20 minutes on a wire rack).
- Break into pieces. Tear or cut the biscuit into bite-sized pieces appropriate for your dog's size. For small dogs, think blueberry-sized pieces. For large dogs, walnut-sized chunks. This reduces choking risk and helps you control portions.
- Skip the toppings. No butter pat on top, no honey drizzle, no jam, and absolutely no gravy (which often contains onion and garlic powder — both toxic to dogs).
Nutritional Value: Are Biscuits Actually Good for Dogs?
The honest answer: biscuits offer very little nutritional benefit for dogs. Here's what a standard homemade buttermilk biscuit (approximately 30 g) provides, based on USDA FoodData Central values:
| Nutrient | Amount per Biscuit (30 g) | Relevance to Dogs |
|---|---|---|
| Calories | 75–100 kcal | Significant for small dogs; contributes to weight gain |
| Carbohydrates | 13–16 g | Quick energy but no lasting nutritional value |
| Protein | 2–3 g | Minimal; dogs need animal-sourced protein |
| Fat | 3–5 g | Can be problematic for pancreatitis-prone dogs |
| Fiber | 0.4–0.6 g | Negligible digestive benefit |
| Calcium | 25–40 mg | Small contribution from buttermilk |
| Iron | 0.7–1.0 mg | From enriched flour; minimal bioavailability |
| Sodium | 150–250 mg | Higher than ideal for dogs; watch total daily intake |
Compared to nutritionally dense dog-safe treats like blueberries (antioxidants, vitamin C), carrots (beta-carotene, fiber), or plain cooked chicken breast (high-quality protein), a biscuit is essentially empty calories for your dog. It's fine as a rare bonding moment, but it shouldn't replace treats that actually contribute to your dog's health.
What Happens If My Dog Eats Too Many Biscuits?
If your dog manages to steal an entire batch of biscuits off the counter (it happens more often than you'd think), here's what to watch for based on the ingredients involved:
Mild Symptoms (Monitor at Home)
- Upset stomach: Vomiting or soft stools within 2–6 hours. This is common after eating a large amount of fatty, carb-heavy food. Withhold food for 12 hours, offer small amounts of water, and reintroduce a bland diet (boiled chicken and white rice).
- Gas and bloating: Mild abdominal distension and flatulence. Usually resolves within 12–24 hours. Encourage gentle walking to promote digestion.
- Lethargy: A food coma isn't just a human phenomenon. Dogs who overeat carbs may seem sluggish for a few hours.
Serious Symptoms (Call Your Vet Immediately)
- Severe bloating with unproductive retching: This could indicate gastric dilatation-volvulus (GDV or bloat), a life-threatening emergency most common in deep-chested large breeds. Go to the nearest emergency vet immediately.
- Vomiting that doesn't stop: Repeated vomiting over more than 4 hours risks dehydration and may signal pancreatitis.
- Signs of xylitol poisoning: Weakness, collapse, seizures, or vomiting within 30–60 minutes of eating sugar-free biscuits. This is a critical emergency.
- Signs of raisin toxicity: Vomiting, lethargy, decreased urination within 6–24 hours of eating biscuits containing raisins or currants. Kidney damage can begin within hours.
Contact your veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435 (24/7, consultation fee applies) immediately if your dog has eaten biscuits containing:
- Xylitol or any "sugar-free" sweetener
- Raisins, currants, or sultanas
- Chocolate (especially dark or baking chocolate)
- Macadamia nuts
- Nutmeg in significant quantities
Also call if your dog shows signs of bloat (distended abdomen, pacing, drooling, unproductive vomiting), repeated vomiting lasting more than 4 hours, collapse, or seizures. Have the biscuit packaging or recipe available so you can tell the vet exactly what ingredients were consumed.
Dogs Who Should Never Eat Biscuits
Even a plain, safe-ingredient biscuit isn't appropriate for every dog. Skip the biscuit sharing entirely if your dog falls into any of these categories:
- Dogs with pancreatitis: The fat content in biscuits (even homemade ones with modest butter) can trigger a painful and potentially life-threatening pancreatic flare-up. Pancreatitis is especially common in Miniature Schnauzers, Cocker Spaniels, and Yorkshire Terriers.
- Dogs with diabetes: Refined carbohydrates cause rapid blood sugar spikes. Dogs managing diabetes need consistent, low-glycemic diets — biscuits are the opposite.
- Overweight dogs (Body Condition Score 7+): At 75–100 calories per biscuit, these are dense calorie bombs that sabotage weight management plans. A 10 lb (4.5 kg) overweight dog eating one biscuit is consuming the caloric equivalent of a human eating an entire cheeseburger.
- Dogs with wheat or grain allergies: While true grain allergies are less common in dogs than many owners believe (animal proteins are more frequent allergens per the Merck Veterinary Manual), dogs with confirmed wheat sensitivity should avoid all flour-based foods.
- Puppies under 6 months: Their developing digestive systems are more sensitive, and their nutritional needs are too precise to fill with empty-calorie human food. Stick to puppy-formulated treats.
- Senior dogs with kidney disease: The sodium content in biscuits can exacerbate hypertension and kidney strain in dogs with chronic kidney disease (CKD).
Healthier Alternatives to Biscuits for Your Dog
If you enjoy the ritual of sharing a snack with your dog, consider these nutritionally superior alternatives that satisfy the same bonding impulse:
| Alternative | Serving (Medium Dog) | Key Benefits | Calories |
|---|---|---|---|
| Plain cooked sweet potato cubes | 2–3 tablespoons | Beta-carotene, fiber, vitamin B6 | ~35 kcal |
| Blueberries (fresh or frozen) | 5–8 berries | Antioxidants, vitamin C, vitamin K | ~8 kcal |
| Carrot sticks (raw or steamed) | 2–3 baby carrots | Beta-carotene, dental-cleaning crunch | ~10 kcal |
| Plain cooked chicken breast | 1 oz (28 g) pieces | Lean protein, highly palatable | ~45 kcal |
| Apple slices (no seeds/core) | 2–3 thin slices | Vitamin A, vitamin C, fiber | ~15 kcal |
How to Introduce Biscuits Safely
If this is your dog's first time trying biscuit, follow a cautious introduction protocol:
- Start with a thumbnail-sized piece. Give your dog a piece no larger than your thumbnail (roughly 3–5 g) and wait.
- Monitor for 24–48 hours. Watch for signs of an allergic reaction (itching, hives, facial swelling, vomiting, diarrhea) or digestive intolerance (gas, loose stools, decreased appetite).
- If no reaction occurs, offer a slightly larger piece next time. Gradually work up to the serving size appropriate for your dog's weight class over 3–4 separate feeding sessions.
- Keep a record. Note the date, amount, and any reactions in your dog's health journal or phone notes. This is especially useful if your dog sees multiple caregivers.
This same protocol applies to any new human food you introduce. Dogs can develop food sensitivities at any age, even to ingredients they've previously tolerated.
Frequently Asked Questions
Can dogs eat store-bought biscuits like Pillsbury or Bisquick?
Most commercial biscuit brands are not ideal for dogs. Pillsbury refrigerated biscuit dough, for example, contains added sugar, salt, and hydrogenated oils. Bisquick mix contains partially hydrogenated oil and significant sodium. While a small piece of a fully baked commercial biscuit (without toxic add-ins) won't poison your dog, these products offer zero nutritional benefit and more additives than a homemade version. If you must share, check the ingredient list for xylitol, raisins, and other toxic items first.
Can dogs eat British-style biscuits like Digestives or Rich Tea?
Plain Digestive biscuits (like McVitie's Original) contain wheat flour, sugar, vegetable oil, and raising agents — none of which are toxic, but the sugar and fat content makes them an unhealthy choice. Rich Tea biscuits are slightly lower in fat but still contain added sugar. A single plain Digestive (about 15 g) contains roughly 70 calories and 3 g of sugar. For a small dog, that's a significant caloric hit. If you share, limit to half a biscuit for small dogs and one biscuit for large dogs, and only on rare occasions.
Can dogs eat raw biscuit dough?
No. Never feed raw biscuit dough to dogs. Raw dough poses two serious risks: First, leavening agents (baking powder, baking soda, or yeast) continue to produce gas in the warm, acidic environment of the stomach, causing painful and potentially dangerous bloating. Second, raw dough can expand enough to cause gastric obstruction. If your dog eats raw biscuit dough, contact your veterinarian for guidance — they may recommend monitoring at home for small amounts or an emergency visit for larger ingestions.
Can puppies eat biscuits?
Puppies under 6 months should not eat biscuits. Their digestive systems are still developing, and their calorie needs are best met through a complete and balanced puppy food formulated for growth. After 6 months, you can introduce a tiny piece (thumbnail-sized) of a plain, safe-ingredient biscuit as a rare treat, but it should not become a regular part of their diet.
Are dog biscuits (commercial dog treats) the same thing?
No. Commercial dog biscuits — like Milk-Bone, Blue Buffalo Wilderness Trail Treats, or Old Mother Hubbard — are specifically formulated for canine nutrition and safety. They're made with dog-appropriate ingredients, portioned for canine calorie needs, and often fortified with vitamins. These are always a better choice than sharing your breakfast biscuit.
My dog ate a whole tray of biscuits — what should I do?
First, identify the ingredients. If the biscuits contained xylitol, raisins, chocolate, or macadamia nuts, call the ASPCA Animal Poison Control at (888) 426-4435 or your emergency vet immediately. If the biscuits were plain, monitor for vomiting, diarrhea, bloating, and lethargy. Withhold food for 12 hours but offer small, frequent amounts of water. If vomiting persists beyond 4 hours, your dog's abdomen appears distended, or they become unresponsive, go to the nearest emergency veterinary clinic.
Disclaimer: This article is for informational purposes only and does not replace professional veterinary advice. Always consult your veterinarian before introducing new foods into your dog's diet, especially if your dog has existing health conditions, food allergies, or is on a prescribed therapeutic diet.
Tom Renshaw
All our authors care for dogs every day — read more of their work on the authors page.
