Peanut Butter Sandwiched Dog Treats

There’s a particular kind of treat that seems to exist purely to slow a dog down, and sandwiched treats are exactly that.

Instead of a single cookie that disappears in one bite, you’re giving your dog two biscuits with a layer of peanut butter holding them together, which means there’s a little more chewing, a little more effort, and a little more time before the whole thing is gone.

My dog treats these the way some dogs treat a puzzle toy — he’ll carry one off to his bed and work on it for a solid five minutes instead of inhaling it standing up in the kitchen.

I started making these after buying a box of sandwiched dog biscuits from a pet store and being a little put off by how long the ingredient list was for something so simple.

Once I actually sat down and worked out what was doing the job in each layer, it became obvious this wasn’t a complicated recipe hiding behind fancy packaging — it was two plain biscuits and a spoonful of peanut butter, and I could make a better version of it at home in less time than it took to drive to the store.

This post walks through exactly how I make them now: a simple, sturdy biscuit base, a peanut butter filling that’s genuinely safe for dogs, and a handful of tips I’ve picked up from a lot of batches that didn’t quite hold together the first few times.

If your dog is anything like mine and treats peanut butter as one of the great joys of being alive, this is going to become a regular in the rotation.

Peanut butter shows up in a lot of the treats I make, and if you want to see it used a completely different way, 3 ingredient peanut butter dog gummies turns the same core ingredient into a soft, chewy gummy instead of a crunchy biscuit.

And if biscuits in general are new territory for you, homemade dog treats is a good broader starting point before narrowing in on this specific recipe.

Why a Sandwiched Treat Is Worth the Extra Step

Most homemade dog treat recipes are built around a single layer — mix, shape, bake, done. Sandwiched treats add one more step, but that step changes the entire experience for the dog.

A plain biscuit gets crunched and swallowed in seconds. A biscuit with a sticky peanut butter filling in the middle takes real effort to work through, especially for a dog who likes to lick and nibble rather than just bite down and move on.

That extra time matters more than it might seem. Treats that take longer to eat give a dog something closer to enrichment than a quick reward — mental engagement, a bit of licking and problem-solving, and in some cases, a treat that can genuinely occupy a bored dog for several minutes instead of thirty seconds.

It’s part of why so many enrichment toys on the market are built around the same basic principle: make the reward a little harder to get to, and the dog gets more out of it.

There’s also a simple structural benefit. Baking two biscuits and gluing them together with peanut butter means you can make the biscuit layer thinner and crunchier than you might for a standalone treat, since the filling adds substance and chew in the middle.

The result is a treat that’s crisp on the outside and soft in the center, which is a texture combination a lot of dogs seem to specifically go for.

Ingredients I Feel Comfortable Using

Whole wheat flour. This forms the base of the biscuit dough. Whole wheat holds together well, bakes into a firm, crunchy biscuit, and is easy for most dogs to digest in small amounts.

If your dog has a grain sensitivity, oat flour is an easy substitute, though the texture will be slightly softer.

Natural peanut butter, no xylitol. This is the filling, and also the ingredient that requires the most label-reading. I look specifically for peanut butter with peanuts as the only ingredient, or peanuts and a small amount of salt.

Anything marketed as “reduced sugar” or “keto” peanut butter gets an automatic second look, since that’s often where sugar substitutes like xylitol show up.

Rolled oats. A small amount mixed into the biscuit dough adds texture and a bit of extra fiber, and helps the dough hold its shape once rolled and cut.

Egg. Acts as a binder for the biscuit dough and adds a bit of extra protein.

Water or plain low sodium broth. Used to bring the dough together to the right consistency. I use broth when I have some on hand, mostly because my dog seems to notice the difference, but water works exactly the same functionally.

If you want a broader sense of what other everyday ingredients are safe to work with, human foods dogs can safely eat is worth keeping open while you’re planning what to bake next.

Ingredients I Avoid

Xylitol is the one ingredient I treat as completely non-negotiable. It’s toxic to dogs even in very small amounts and can cause a dangerous drop in blood sugar, so every jar of peanut butter gets checked, every time, even brands I’ve used before, since manufacturers do change formulas.

I also avoid added sugar, honey in large amounts, and any peanut butter labeled “flavored,” since those almost always mean something has been added beyond peanuts and salt.

On the biscuit side, I skip white flour in favor of whole wheat or oat flour, mostly because whole grains tend to be gentler on digestion and add more nutritional value for the same effort.

Salt, baking soda in large quantities, and any pre-made biscuit mix marketed for humans are all off the table too, since those are formulated with flavor profiles and ingredients that aren’t necessary or appropriate for dogs.

Peanut Butter Sandwiched Dog Treats

This recipe makes a batch of simple, sturdy biscuits with a peanut butter filling in the middle, and while it has a few more steps than a single-layer treat, none of them are difficult — it’s really just baking two batches of biscuits and pairing them up.

Ingredients

• 2 cups whole wheat flour
• 1/2 cup rolled oats
• 1 large egg
• 1/2 cup water or plain low sodium broth
• 1/2 cup natural peanut butter, xylitol-free, for the filling

Instructions

1. Preheat the oven to 350°F and line a baking sheet with parchment paper.
2. In a large bowl, combine the whole wheat flour and rolled oats.
3. Add the egg and water or broth, and mix until a stiff, workable dough forms. If the dough feels too dry, add water a tablespoon at a time; if it’s too sticky, add a bit more flour.
4. Turn the dough out onto a lightly floured surface and roll it to about 1/4-inch thickness.
5. Cut the dough into small rounds or bone shapes using a cookie cutter, making sure you end up with an even number of pieces, since each biscuit needs a matching partner.
6. Place the biscuits on the prepared baking sheet and bake for 20 minutes, then flip and bake for another 15 to 20 minutes, until fully firm and lightly golden.
7. Let the biscuits cool completely on a wire rack. This step matters more than it seems — warm biscuits will melt the peanut butter filling and slide apart.
8. Once cooled, spread a thin, even layer of peanut butter onto the flat side of one biscuit and press a second biscuit on top to form a sandwich.
9. Let the finished sandwiches sit for a few minutes to firm up before serving or storing.

How Much to Give Your Dog One sandwiched treat is plenty for most dogs, especially smaller breeds, given the combined calories from two biscuits and a peanut butter filling.

Treat this as an occasional reward rather than a daily staple, and factor it into your dog’s overall calorie intake if they’re already prone to weight gain.

Storage Store the finished sandwiches in an airtight container at room temperature for up to 5 days.

If you’d rather make a bigger batch, the plain, unfilled biscuits freeze well on their own for up to 3 months — just fill them with peanut butter fresh whenever you’re ready to serve, since the peanut butter layer doesn’t freeze and thaw as cleanly as the biscuit does.

My Tip I always bake the biscuits a day ahead and assemble the sandwiches the next day. Giving them a full 24 hours to cool and firm up completely makes a noticeably sturdier finished treat, and it also means the assembly step takes about five minutes instead of feeling like a whole second project.

If your dog goes through these quickly and you want more biscuit-style treats to rotate in, simple carrot based dog treat recipes for beginners and homemade pumpkin applesauce dog treats are both easy to bake using a nearly identical method, just with a different flavor built into the dough itself instead of a filling.

A Few Variations Worth Trying

Once you’ve made the base recipe a few times, there’s plenty of room to adjust it without changing the overall method.

Swapping half the peanut butter filling for mashed banana creates a softer, slightly sweeter center, and pairs especially well if you’ve already had success with homemade banana dog treat recipes.

A thin layer of plain pumpkin puree mixed into the peanut butter filling adds fiber and mellows out the richness a bit, which some owners prefer for dogs with more sensitive stomachs.

You can also change up the biscuit shape depending on your dog’s size. Smaller cutters make bite-sized sandwiches that work well for smaller dogs or as training rewards, while larger bone-shaped cutters make a more substantial treat that’s better suited to a slower afternoon chew session.

The dough itself doesn’t need to change at all — only the size of the cutter and the bake time, since smaller biscuits will cook slightly faster than larger ones.

Signs Your Dog Shouldn’t Have These

• Known peanut or legume allergy
• Wheat or grain sensitivity, unless the flour is swapped for a suitable alternative
• A vet-recommended low-fat or low-calorie diet, given the combined richness of two biscuits and a peanut butter filling
• Any history of pancreatitis, since fattier treats can be harder on a sensitive digestive system

If any of these apply to your dog, it’s worth talking to your vet before offering this recipe, or adjusting the ingredients to better fit their specific needs.

Common Problems When Making These

Why did my biscuits come out too soft to hold their shape? This usually means they need more time in the oven. Biscuits should feel completely firm and dry to the touch once cooled — if they still feel slightly soft after baking, put them back in for another 5 minutes and check again.

Why is my dough too crumbly to roll out? This is almost always a moisture issue. Add water or broth a tablespoon at a time until the dough comes together into a cohesive ball without cracking when rolled.

Can I use crunchy peanut butter for the filling? Yes, crunchy peanut butter works fine and adds a bit of extra texture, though it can be slightly harder to spread evenly than a smooth, creamy peanut butter.

Why does the peanut butter filling squeeze out the sides? This usually means either the layer was spread on too thick, or the biscuits were pressed together too firmly. A thin, even layer and a light, gentle press when sandwiching the two biscuits together solves this in most cases.

Can I make these without an oven, using a dehydrator instead? Yes, the biscuit dough can be dehydrated at a low temperature for a longer period instead of baked, which produces an even crunchier finished biscuit, though it will take considerably longer than baking.

How long will the peanut butter filling stay fresh once assembled? Once sandwiched, the treats are best used within about 5 days, since the moisture from the peanut butter will gradually soften the biscuit over time. This is part of why baking the biscuits ahead and assembling closer to serving works so well.

More From The Pet Sphere

• 3 Ingredient Peanut Butter Dog Gummies
• Homemade Dog Treats
• Simple Carrot Based Dog Treat Recipes for Beginners
• Homemade Pumpkin Applesauce Dog Treats
• Homemade Banana Dog Treat Recipes
• Homemade Dog Food With Vet Approved Ingredients
• Human Foods Dogs Can Safely Eat

A Note on Portion Control

It’s worth mentioning that treats like this one, however wholesome the ingredients, are still meant to be a small part of your dog’s overall diet rather than a replacement for regular meals.

A common general guideline used by vets is to keep treats to no more than about 10 percent of a dog’s daily caloric intake, with the rest coming from a complete and balanced main diet.

A sandwiched treat like this one, with two biscuits and a filling, is more calorie-dense than a single plain biscuit, so it’s worth factoring that in if your dog gets several treats throughout the day rather than just one.

If you’re working on rebalancing your dog’s overall diet around wholesome, homemade ingredients rather than just treats, homemade dog food with vet approved ingredients is a good next stop, since it covers how to think about full meals in the same straightforward, ingredient-focused way this recipe approaches treats.

Final Thoughts

Sandwiched treats take a little more time than a single batch of biscuits, mostly because of the cooling and assembly steps, but the actual difficulty barely changes — it’s still just flour, oats, egg, water, and peanut butter.

What you get in return is a treat that lasts longer, engages your dog more, and tastes exactly like the kind of thing you’d be happy to pay for at a pet bakery, without wondering what’s actually in it.

If your dog has a peanut butter obsession anywhere close to what mine does, this is one worth adding to the regular rotation.

📋 Recipe Card

Peanut Butter Sandwiched Dog Treats

Crunchy whole wheat biscuits sandwiched together with a natural peanut butter filling — a longer-lasting, vet-friendly treat built for slow, engaged chewing.

Prep Time	20 minutes
Bake Time	35–40 minutes
Cooling Time	30 minutes
Total Time	About 1 hour 30 minutes
Yield	10–12 sandwiched treats
Category	Dog Treats
Method	Baking, No-Cook Filling
Suitable For	Adult dogs; ask your vet first for dogs with peanut allergies, grain sensitivities, or a history of pancreatitis

Ingredients

• 2 cups whole wheat flour
• 1/2 cup rolled oats
• 1 large egg
• 1/2 cup water or plain low sodium broth
• 1/2 cup natural peanut butter, xylitol-free (for the filling)

Instructions

1. Preheat oven to 350°F and line a baking sheet with parchment.
2. Combine flour and oats in a large bowl.
3. Add egg and water/broth, mixing until a stiff dough forms.
4. Roll dough to 1/4-inch thickness on a floured surface.
5. Cut into an even number of rounds or bone shapes.
6. Bake 20 minutes, flip, then bake another 15–20 minutes until firm and golden.
7. Cool completely on a wire rack.
8. Spread a thin layer of peanut butter on one biscuit and press a second on top.
9. Let sandwiches firm up a few minutes before serving.

Notes

• Always confirm peanut butter is free of xylitol before using.
• Store assembled treats at room temperature for up to 5 days.
• Freeze plain, unfilled biscuits for up to 3 months and assemble fresh.
• Treat as an occasional reward, not a daily staple.

Nutrition (per sandwiched treat, approximate) Calories: 60–80 | Protein: 3g | Fat: 4g