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Peanut Butter Banana Dog Cake Recipe

Celebrate with a Peanut Butter Banana Dog Cake Recipe made from ripe banana, natural peanut butter, egg, and whole wheat flour. A sweet homemade pup treat!
Prep Time 10 minutes
Course Dog Treat / Dessert
Cuisine Dog-Friendly / American-Inspired
Servings 4
Calories 150 kcal

Equipment

  • Mixing bowl
  • Fork or potato masher
  • Measuring cups and spoons
  • Small rubber spatula or wooden spoon
  • Small cake pan or mini cake pan
  • Baking sheet, if using individual molds
  • Parchment paper
  • Wire cooling rack
  • Toothpick for checking doneness
  • Small knife or spatula for removing the cake

Ingredients
  

For the Dog Cake

  • 1 ripe banana mashed
  • 1 large egg
  • 1/4 cup natural peanut butter
  • 1/2 cup whole wheat flour
  • 1/4 teaspoon baking powder
  • 2 tablespoons unsweetened applesauce
  • 1 –2 tablespoons water if needed
  • Optional Dog-Friendly Topping

For a simple topping, you can use:

  • 2 tablespoons plain unsweetened Greek yogurt
  • 1 teaspoon natural peanut butter
  • You can also leave the cake completely unfrosted. Honestly most dogs are not going to complain!

Optional Decorations

  • If you want to make the cake extra cute consider:
  • A few thin banana slices
  • A tiny drizzle of natural peanut butter
  • A couple of dog biscuits
  • Small pieces of apple with seeds and core removed
  • Keep decorations small and appropriate for your dog's size.

Instructions
 

Step 1: Prepare the Oven

  • Preheat your oven to 350°F (175°C).
  • Grease a small cake pan lightly or line the bottom with parchment paper.
  • If you're using silicone molds, make sure they are placed on a sturdy baking sheet before filling them.

Step 2: Mash the Banana

  • Place the ripe banana in a mixing bowl and mash it thoroughly with a fork.
  • It does not have to be perfectly smooth. A few tiny banana pieces are completely fine and can actually add little pockets of banana flavor throughout the cake.

Step 3: Add the Wet Ingredients

  • Add the egg, peanut butter, and unsweetened applesauce to the mashed banana.
  • Stir everything together until well combined.
  • The mixture should look creamy and fairly thick.
  • If your peanut butter is particularly thick, don't worry. Keep stirring until everything comes together.

Step 4: Add the Dry Ingredients

  • Add the whole wheat flour and baking powder.
  • Gently stir until you have a thick cake batter.
  • Try not to overmix. Once you no longer see dry flour, you're done.
  • If the batter seems unusually thick, add a tablespoon of water and mix again. Add another tablespoon only if necessary.
  • You want a batter that is thick enough to hold its shape but still easy to spread into the pan.

Step 5: Fill the Pan

  • Spoon the batter into your prepared pan.
  • Use a spatula or the back of a spoon to smooth the top.
  • Because this is a small cake, the batter will not take very long to bake.

Step 6: Bake

  • Place the pan in the preheated oven.
  • Bake for approximately 20–25 minutes, depending on the size and depth of your pan.
  • The cake should look lightly golden and feel firm in the center.
  • Insert a toothpick into the middle. If it comes out mostly clean, the cake is ready.
  • Avoid overbaking because you want a soft texture rather than a dry cake.

Step 7: Cool Completely

  • Remove the cake from the oven and let it cool in the pan for several minutes.
  • Then carefully transfer it to a wire rack.
  • Let it cool completely before adding any topping.
  • I know this is the hardest part because the kitchen smells like warm peanut butter and banana, but don't rush it. A hot cake can make the yogurt topping melt and become messy.
Keyword Peanut Butter Banana Dog Cake Recipe