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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.
Our dog needs to be treated with healthy treats, but buying ready-made ones can be very expensive and they may contain a lot of substances that you cannot even pronounce.
It is difficult to know if those ingredients are really good for your pet. Besides, it seems that it is impossible to find an inexpensive refreshing snack for hot days.
Great news: it is super simple to prepare tasty, affordable, and refreshing treats in the comfort of your own home!
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Recipe Overview
This “Oatmeal & Water Wonders” recipe is super simple and perfect for keeping your pup cool and happy.
- Purpose: Provides a hydrating, fiber-rich, and budget-friendly frozen treat.
- Benefits: Supports digestion, helps with hydration, and offers a safe, cooling snack for all dogs.
- Prep time: 10 minutes
- Cook time: 0 minutes (freezing time not included)
- Freezing time: 3-4 hours
- Serving size: Makes about 12-15 small treats (using standard ice cube trays)
Ingredients List
Here’s what you’ll need for these simple, wholesome dog treats.
These ingredients are readily available and safe for your dog.
- 1 cup old-fashioned rolled oats: (~$0.20) – These provide fiber and are gentle on stomachs.
- 2 cups filtered water: (~$0.05) – Essential for hydration and blending.
- Optional Add-ins (choose one or two, very small amounts):
- 1 tablespoon natural peanut butter (xylitol-free): (~$0.15) – Adds flavor and healthy fats. Always double-check labels for xylitol, which is toxic to dogs.
- 1/4 cup blueberries: (~$0.50) – Antioxidant boost and a touch of sweetness.
- 1/4 cup unsweetened plain applesauce: (~$0.25) – Another source of fiber and gentle flavor.
- **1/4 cup plain Greek yogurt (lactose-free if sensitive): (~\0.30) – Probiotics for gut health.
Estimated Total Cost: ~$0.40 – $1.45 (depending on optional add-ins)
Substitutions:
- Oats: While this recipe specifically uses oats, if your dog has an oat sensitivity, you could explore other pureed, dog-safe fruits or veggies like pumpkin or sweet potato, though the texture and nutritional profile will change.
- Water: Filtered tap water is fine.
- Peanut Butter: If your dog can’t have peanut butter, try a small amount of blended banana for flavor.

Step-by-Step Instructions
Making these frozen treats is incredibly easy, even if you’re new to homemade dog food.
Just follow these simple steps.
- Step 1: Prepare the Oats. Measure 1 cup of old-fashioned rolled oats into a blender.
- Step 2: Add Water. Pour 2 cups of filtered water into the blender with the oats.
- Step 3: (Optional) Add Flavor. If using, add your chosen optional ingredients (peanut butter, blueberries, applesauce, or yogurt) to the blender now.
- Step 4: Blend Until Smooth. Blend the mixture on high until it’s completely smooth and creamy.
- Step 5: Pour into Trays. Carefully pour the oat mixture into ice cube trays or silicone molds.
- Step 6: Freeze. Place the trays in the freezer for at least 3-4 hours, or until solid.
- Step 7: Store. Once frozen, pop the treats out of the trays and store them in an airtight container in the freezer.
Practical cooking tip: If your blender struggles with the oats, let them soak in the water for 15-20 minutes before blending. This softens them up.
Another tip: Don’t overfill the trays, as the liquid will expand slightly when frozen.
Feeding Guidelines
These treats are meant as an occasional snack, not a meal replacement.
Portion sizes depend on your dog’s size and activity level.
- Small Dogs (under 20 lbs): 1 small treat per day.
- Medium Dogs (20-50 lbs): 1-2 small treats per day.
- Large Dogs (over 50 lbs): 2-3 small treats per day.
- Puppies: Offer very small pieces, especially for younger pups. Always supervise.
- Senior Dogs: These soft, cold treats can be good for older dogs with dental issues or those who need extra hydration. Start with a small amount.
- Active Dogs: Might be able to handle an extra treat due to higher energy expenditure.
- Less Active Dogs: Stick to the lower end of the recommendations to avoid excessive calories.
It’s always a good idea to chat with your veterinarian for personalized feeding advice, especially if your dog has any health conditions or dietary restrictions.
They can help you figure out the best treat allowance.
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Nutritional Benefits of the Recipe
Even simple ingredients offer great benefits for your dog.
Here’s why these treats are good for them.
- Oatmeal: This is the star ingredient. It’s an excellent source of soluble fiber, which aids digestion and can help regulate blood sugar. Oatmeal also supports healthy skin and a shiny coat.
- Water: Keeps your dog hydrated, which is crucial for all bodily functions, especially in warmer weather.
- Peanut Butter (optional): Provides healthy fats, protein, and vitamins like B and E. Remember, only natural, xylitol-free peanut butter.
- Blueberries (optional): Packed with antioxidants that help fight cell damage and support the immune system. They’re also a good source of vitamins C and K.
- Applesauce (optional): Offers dietary fiber for digestive health and vitamins C and A. Ensure it’s unsweetened.
- Plain Greek Yogurt (optional): A good source of protein and probiotics, which can benefit gut health. Choose lactose-free if your dog is sensitive.

Storage and Serving Tips
Proper storage keeps these treats fresh and safe for your dog.
Here’s how to best handle them.
- Refrigeration: The liquid mixture, if not frozen, can be stored in an airtight container in the refrigerator for up to 2-3 days.
- Freezing: Once frozen, these treats will stay fresh in an airtight container in the freezer for up to 1-2 months.
- Reheating: These are frozen treats, so no reheating needed!
- Serving Ideas:
- Serve them straight from the freezer on a hot day for a cooling snack.
- You can crush a treat and sprinkle it over their regular kibble for an enticing topper.
- For a longer-lasting chew, you can put a treat inside a puzzle toy.
Common Questions & Troubleshooting
Can I use instant oats?
No, it’s best to stick with old-fashioned rolled oats. Instant oats are more processed and can have a higher glycemic index. Rolled oats offer better nutritional benefits and fiber.
My dog is allergic to oats. What can I use instead?
If your dog has an oat allergy, this recipe isn’t suitable. You might consider freezing pureed dog-safe fruits like bananas or berries mixed with water, but always consult your vet first for allergies.
How do I know if the peanut butter has xylitol?
You MUST read the label. Xylitol will be listed in the ingredients. Many “natural” or “sugar-free” brands use it, so always double-check. It’s safer to buy brands that explicitly state “xylitol-free.”
Can I add other fruits or vegetables?
Yes, in small, dog-safe quantities. Good options include pureed pumpkin (not pie filling), mashed banana, or a tiny bit of spinach. Always research if a food is safe for dogs before adding it.
My dog won’t eat them. What now?
Some dogs are picky! Try adding a bit more of a flavor they love, like a tiny bit more xylitol-free peanut butter or some blended chicken broth (low sodium). You can also try serving them slightly thawed.
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Wrapping Up
Making your own dog treats is a rewarding way to show your love and keep your dog healthy, happy, and cool. This recipe makes it easy to provide a wholesome, refreshing snack without spending a fortune.
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