Homemade Air Fryer Dog Treats Recipe With Sardines & Oat Flour

Zack Keithy, our author, is a certified veterinarian technician (UC Blue Ash) for over 6 years (contact him here). The articles written here are based on his expertise and experience, combined with a review by our expert vet reviewers including Dr M. Tarantino. Learn more about us here.

Sick of not knowing what’s in those pricey dog treats? You never really know what weird stuff’s hiding in store-bought snacks.

If your dog’s got a sensitive stomach, or you just want more control over what they eat, here’s an easy fix.

With this quick air fryer dog treat recipe, you can whip up healthy, tasty treats at home. Your dog will go nuts for them, and you’ll feel good knowing exactly what’s inside.

Recipe Overview

This homemade treat recipe uses nutrient-dense sardines and easily digestible oat flour. It is perfect for dogs needing Omega-3s, sensitive digestion, or wheat-free options.

• Purpose: High-value training treat and supplement (Omega-3s, protein).
• Prep Time: 10 minutes.
• Cook Time: 12 minutes (in an air fryer).
• Serving Size: Approximately 30-40 small, bite-sized treats.

Ingredients List

Here are the simple, dog-safe ingredients you’ll need to whip up this nutritious snack.

• 1 can (3.75 oz) Sardines in water (drained): $1.99
• 1 cup Oat Flour: $0.40 (or blend quick oats)
• 1 Large Egg (for binding): $0.25
• 1/4 cup Low-Sodium Chicken Broth (or water): $0.15
• 1 tablespoon Fresh Parsley (chopped, optional for fresh breath): $0.10

Total Estimated Cost: $2.89

Substitutions: You can swap sardines for canned mackerel or tuna (packed in water, drained) if needed. Use brown rice flour instead of oat flour if you run out, but check for dryness as liquid amounts might change.

Step-by-Step Instructions

Making these treats is fast and easy thanks to the air fryer. The air fryer gives them a nice, chewy texture without much oil.

• Preheat your air fryer to 375°F (190°C).
• In a mixing bowl, mash the drained sardines thoroughly with a fork until they form a paste.
• Add the egg and chicken broth to the mashed sardines. Mix these wet ingredients well until combined.
• Slowly incorporate the oat flour and chopped parsley into the wet mixture.
• Mix until a stiff dough forms. It should be slightly sticky but manageable. If it is too wet, add a tiny bit more oat flour, about a teaspoon at a time.
• Dust your workspace lightly with oat flour. Roll the dough out to about 1/4-inch thickness.
• Use a small cookie cutter (like a bone shape or a mini circle) to cut the treats.
• Line the air fryer basket with parchment paper if your model requires it, but leave small gaps for air flow.
• Place the treats in a single layer in the air fryer basket. Do not overcrowd them, as this prevents crisping. You will need to cook them in batches.
• Air fry for 6 minutes. Flip the treats over gently.
• Cook for another 4 to 6 minutes, until the treats are golden brown and firm to the touch.
• Allow the treats to cool completely on a wire rack before serving or storing.

Feeding Guidelines

These are high-value treats and should be fed in moderation, not as a complete meal replacement. Treats should only make up about 10% of your dog’s daily caloric intake.

• Small Dogs (up to 20 lbs): 2 to 4 treats per day.
• Medium Dogs (20-50 lbs): 5 to 7 treats per day.
• Large Dogs (over 50 lbs): Up to 10 treats per day.
• Puppies and Senior Dogs: These treats are excellent for seniors due to the joint-supporting Omega-3s. Puppies need very small, soft pieces. Consult your vet if your puppy has any dietary restrictions.
• Activity Levels: Highly active dogs can have a slightly higher allowance, but dogs prone to weight gain should stick to the minimum.

Always talk to your veterinarian before making significant changes to your dog’s diet, especially concerning treats and supplements.

Nutritional Benefits of the Recipe

Sardines offer substantial nutritional advantages that contribute to your dog’s overall health.

• Sardines: These small, oily fish are packed with Omega-3 fatty acids (EPA and DHA). These fats are crucial for reducing inflammation, supporting brain health, and promoting a glossy coat and healthy skin. They are also a great source of lean protein.
• Oat Flour: This grain provides complex carbohydrates for sustained energy and fermentable fiber, which helps keep the gut bacteria healthy and aids smooth digestion, especially good for sensitive stomachs.
• Eggs: An easily digestible, complete protein source containing essential amino acids, choline, and vitamins (A, D, E, K, and B-complex).
• Parsley: While optional, parsley can help neutralize bad breath and contains small amounts of Vitamin K and antioxidants.

Storage and Serving Tips

Knowing how to store your homemade treats ensures they stay fresh and safe for your dog.

• Refrigeration: Store cooled treats in an airtight container in the refrigerator for up to 5 days.
• Freezing: For longer storage, flash freeze the treats on a baking sheet, then transfer them to a freezer-safe bag or container. They will last for up to 3 months frozen.
• Serving Temperature: Serve at room temperature or slightly warmed. Warming them slightly can really bring out the smell of the sardines, which dogs love.
• Serving Suggestion: Use these small, firm treats as high-reward snacks during training sessions or break them into tiny pieces to scatter in puzzle toys.

Common Questions & Troubleshooting

Can I use fresh sardines instead of canned?

Yes, but you need to cook them first and remove all bones. Canned sardines packed in water are easier because the bones are soft and safe, and they are already cooked.

Do I need to add a calcium supplement to this recipe?

No, you do not. Canned sardines with soft bones are already a fantastic source of natural calcium and phosphorus. If you switch to boneless fish, you should consider a veterinary-approved calcium supplement for long-term feeding, but not just for treats.

Why did my treats turn out too crumbly?

Crumbly treats usually mean the dough was too dry. This often happens if you use too much flour or if you didn’t add enough liquid from the sardines (some brands are drier than others). Next time, add a few extra drops of water or chicken broth until the dough holds together better.

Wrapping Up

Making your dog’s treats doesn’t have to be hard, and this sardine air fryer recipe proves it. You get wholesome nutrition and a treat your dog goes crazy for, all done in minutes. Feeling inspired? Pin this recipe to your Homemade Dog Food board for easy access and follow us for more pet-friendly tips!