Bake a Batch of Peanut Butter Pupcakes for Your Dog
Mashed banana and peanut butter bake into a batch of soft, dog-friendly pupcakes in 22 minutes, ready for their creamy frosting.

Mashed banana and peanut butter form the base of these Peanut Butter and Banana Pupcakes (Dog Cupcakes). A dozen treats bake in just 22 minutes using safe pantry staples. The recipe skips rich dairy. It pairs a soft wholewheat crumb with a clever potato topping instead of heavy frosting.
The Pupcake Batter
Line a 12-hole muffin pan with paper liners. Heat your oven to 350°F (180°C) before you start mixing.
You must check the peanut butter label before you begin. The ingredient list cannot contain xylitol. This common artificial sweetener is toxic to dogs. Natural peanut butter containing only peanuts is a safe choice.
You can bake this batter using all-purpose, plain, wholewheat, or wholemeal flour. Choosing a wholewheat option gives your pet more nutrition compared to using standard white flour.
The bananas need to be ripe. Mash them with a potato masher or fork until smooth.
Whisk the wet ingredients into the banana puree before you incorporate the dry ingredients.
Stir the flour, baking powder, oil, and water into the wet ingredients. The recipe accepts vegetable, canola, peanut, or olive oil. Whisk the batter again until it looks smooth without lumps.
Divide the batter evenly among the paper liners. Fill each cup three-quarters full. The treats bake for 22 minutes.
The treats are done when the tops look golden. A wooden skewer inserted into the middle will come out clean. Transfer the hot cupcakes to a wire rack. Let them cool for 30 minutes before frosting.
The Potato Frosting
Potatoes act as the foundation for the Potato Frosting. This vegetable base keeps the fat content low by skipping heavy ingredients such as butter.
Cut 1 lb (500 g) of peeled potatoes into small pieces. Put the chopped potatoes into a pot and cover them with water. Heat the pot until the liquid reaches a rapid boil. Cook the potatoes in the bubbling water for 20 minutes.
Boil the peeled potatoes until the edges crumble. The potatoes must be soft. This prevents a lumpy frosting texture.
Drain the hot water away in a colander. Return the soft potatoes to the empty pot. Add plain low-fat yogurt, honey, and exactly two tablespoons of water.
Beat the cooked potatoes with yogurt, honey, and water using an electric mixer until fluffy. Whip this together on a low speed for one minute. Turn your mixer up to a medium speed and blend for one more minute until the potatoes look creamy.
You can adjust the consistency by adding water gradually. The mixture should reach a soft, spreadable texture.
Choose a simple, round nozzle for your piping bag. Do not use intricate piping tips. The potato frosting will not hold sharp shapes. Scoop the potato frosting inside the piping bag. Squeeze the frosting over the cooled cakes using a continuous swirling motion.
Leftovers
Garnish each frosted treat with a dog biscuit right before serving.
Keep these storage facts in mind:
- Place the cupcakes into a tightly sealed container and keep them in the refrigerator for up to one week.
- You must refrigerate the treats to prevent the potato frosting from spoiling.
- Dog biscuit toppings will soften during refrigerated storage.
Bake a Batch of Peanut Butter Pupcakes for Your Dog
Cupcake Batter
- 2 eggs
- 1.5 cup all-purpose, plain, wholewheat, or wholemeal flour
- 2.5 tsp baking powder
- 2 ripe bananas, yielding 5 oz (150 g) after peeling or about 2/3 cup mashed
- 0.5 cup peanut butter, smooth or creamy
- 0.33 cup honey
- 0.25 cup vegetable, canola, peanut, or olive oil
- 0.75 cup water
Potato Frosting
- 1 lb potatoes, peeled and cut into 1-inch (2 cm) pieces
- 2 tbsp honey
- 0.5 cup plain low-fat yogurt (any unsweetened type) or sour cream
- 2 tbsp water
- 12 small dog bone biscuits, for decorating, optional
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Method
Cupcake Batter
Potato Frosting
Substitutions
Pick a natural peanut butter with peanuts as the single ingredient. You must verify the label excludes xylitol, since the sweetener is highly toxic to dogs.
Use wholewheat or wholemeal flour in the Pupcake Batter to provide a bit more nutrition for your dog than standard white flour.
Storage
Place the frosted pupcakes inside a sealed container and keep them in the refrigerator for up to one week to prevent the potato frosting from spoiling.
Serving
Garnish the treats with small dog bone biscuits right before serving so the decorations do not soften in the refrigerator.
Common mistakes
Boil the potatoes until their edges actively begin crumbling to prevent a lumpy texture in your Potato Frosting.
Stick to a simple round nozzle for piping because the Potato Frosting will not hold sharp shapes from intricate tips.
Techniques
Let freshly baked goods cool completely on a wire rack before adding any frosting so the topping does not melt or slide off.
Always test cakes by inserting a wooden skewer or toothpick into the center to see if it comes out clean of wet batter.
- Store
- Place the frosted pupcakes inside a sealed container and keep them in the refrigerator for up to one week to prevent the potato frosting from spoiling.
What kind of peanut butter is safe to use in the Pupcake Batter?
Choose a natural peanut butter made exclusively from peanuts. Read the ingredient label closely to verify it is completely free of xylitol, since this sweetener is highly toxic to dogs.
Why does this recipe use a potato base for the frosting instead of dairy?
Using cooked potatoes provides a fluffy, spreadable base without relying on high-fat ingredients. This substitution gives the same look as standard topping while avoiding heavy cream cheese or butter.
Why did my Potato Frosting turn out lumpy?
A lumpy texture usually happens if the potatoes are not boiled long enough. Make sure to cook the peeled pieces until they are very soft and their outer edges actively begin crumbling in the water.
Can I pipe intricate star designs with the Potato Frosting?
Stick to a simple 3/5-inch (1.5 cm) round nozzle for your piping bag. The soft potato mixture will not hold sharp shapes from intricate piping tips.
Should I garnish the Peanut Butter and Banana Pupcakes (Dog Cupcakes) before storing them?
You should wait to top each treat with a small dog bone biscuit until right before serving. If you store them in the refrigerator with the biscuits attached, the decorations will soften over time.
How can I tell when cupcakes are completely baked in the middle?
You can always test cakes by inserting a wooden skewer or toothpick into the center to see if it comes out clean of wet batter. The tops will also look golden brown when they are finished baking.
Can I frost baked goods while they are still slightly warm?
Always let freshly baked goods cool completely on a wire rack before adding any frosting. Applying toppings to warm cakes will cause the frosting to melt or slide right off the surface.
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