I love making peanut butter muffins because they are simple, tasty, and remind me of cozy mornings at home. These muffins have a rich, nutty flavor that makes them perfect for breakfast or a quick snack. I hope you enjoy baking and eating them as much as I do!
Most of the ingredients in this recipe are common and easy to find, like sugar, eggs, and flour. The peanut butter is the star here, so try to pick a smooth or crunchy kind depending on what you like. If you don’t have baking powder at home, you can find it in the baking aisle of the supermarket—it helps the muffins rise and become fluffy.

Ingredients For Peanut Butter Muffins Recipe
Peanut butter: Adds a creamy, nutty flavor and moist texture to the muffins.
Sugar: Sweetens the muffins and balances the peanut butter’s richness.
Eggs: Help bind the ingredients together and add structure.
Milk: Keeps the batter smooth and adds moisture.
Flour: The main dry ingredient that gives the muffins their shape.
Baking powder: A leavening agent that makes the muffins rise and become fluffy.
Salt: Enhances the flavors and balances the sweetness.
Technique Tip for Baking Muffins
One of the most helpful steps in this Peanut Butter Muffins Recipe is mixing the wet ingredients until they’re smooth. This means whisking together the peanut butter, sugar, eggs, and milk really well before adding the dry stuff. Here’s how you can do it without making a mess or ending up with lumps:
- Use a big enough bowl so the ingredients don’t splash out when you whisk.
- Start by stirring the peanut butter and sugar together. It might feel thick at first, but keep going until it looks creamy.
- Crack the eggs into the bowl one at a time, whisking after each one so they blend in nicely.
- Slowly pour in the milk while you keep whisking. This helps everything come together smoothly.
- Keep whisking until the mixture looks shiny and there are no big chunks of peanut butter left.
Doing this step well makes the batter nice and smooth, which means your muffins will bake evenly and have a soft, fluffy texture. If you don’t mix enough, you might get little pockets of dry flour or clumps of peanut butter that don’t taste as good.
When I first made these muffins, I didn’t whisk the wet ingredients long enough, and some peanut butter chunks stayed in the batter. The muffins still tasted good, but the texture was a little uneven. Now, I take my time with this step, and it really makes a difference. Also, if you don’t have a whisk, a fork works fine—you just have to be a bit patient and keep stirring in circles.
Mixing the wet ingredients smoothly is a simple trick that helps your muffins turn out just right every time. Plus, it’s kind of fun to watch everything come together into a creamy, tasty batter!
Suggested Side Dishes
Alternative Ingredients
peanut butter - Substitute with almond butter: Almond butter provides a similar creamy texture and nutty flavor, making it a great alternative for those with peanut allergies.
peanut butter - Substitute with sunflower seed butter: Sunflower seed butter is a nut-free option that mimics the consistency and richness of peanut butter.
sugar - Substitute with honey: Honey adds natural sweetness and moisture, though it may slightly alter the flavor profile.
sugar - Substitute with maple syrup: Maple syrup offers a distinct sweetness and can add a subtle maple flavor to the muffins.
eggs - Substitute with flaxseed meal: Mix 1 tablespoon of flaxseed meal with 2.5 tablespoons of water per egg. This mixture acts as a binding agent, suitable for vegan diets.
eggs - Substitute with applesauce: Use ¼ cup of applesauce per egg. It adds moisture and a hint of apple flavor, making it a good option for egg-free baking.
milk - Substitute with almond milk: Almond milk is a dairy-free alternative that maintains the liquid consistency needed for the batter.
milk - Substitute with oat milk: Oat milk provides a creamy texture and is a suitable substitute for those avoiding dairy.
flour - Substitute with gluten-free all-purpose flour: This blend is designed to mimic the properties of regular flour, making it suitable for gluten-free diets.
flour - Substitute with whole wheat flour: Whole wheat flour adds a denser texture and a slightly nutty flavor, increasing the fiber content.
baking powder - Substitute with baking soda and cream of tartar: Use ¼ teaspoon baking soda and ½ teaspoon cream of tartar to replace 1 teaspoon of baking powder, maintaining the leavening effect.
salt - Substitute with sea salt: Sea salt can be used in the same quantity and provides a similar flavor profile.
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How to Store or Freeze Muffins
Allow the peanut butter muffins to cool completely on a wire rack before storing. This prevents condensation from forming, which can make them soggy.
For short-term storage, place the muffins in an airtight container. Line the container with a paper towel, add the muffins, and cover them with another paper towel before sealing. This helps absorb any excess moisture.
Store the container at room temperature for up to 3 days. If you want to keep them fresh for a bit longer, consider refrigerating them, but be aware that refrigeration can sometimes alter the texture slightly.
For freezing, individually wrap each muffin in plastic wrap or aluminum foil. This prevents freezer burn and keeps them tasting fresh.
Place the wrapped muffins in a resealable freezer bag or an airtight container. Label the bag with the date to keep track of their freshness.
Store the muffins in the freezer for up to 3 months. When you're ready to enjoy them, simply remove the desired number of muffins from the freezer.
To thaw, let the muffins sit at room temperature for about an hour. For a quicker option, microwave them on a low setting for 20-30 seconds.
If you prefer a warm muffin, preheat your oven to 350°F (175°C) and warm the muffins for about 5-10 minutes. This will bring back that freshly-baked aroma and texture.
How to Reheat Leftovers
Preheat your oven to 350°F (175°C). Place the peanut butter muffins on a baking sheet and cover them loosely with aluminum foil to prevent them from drying out. Warm them in the oven for about 10 minutes, or until they are heated through and slightly toasty.
Use a microwave for a quick fix. Place a muffin on a microwave-safe plate and cover it with a damp paper towel. Heat it on medium power for about 15-20 seconds. Check the temperature and add a few more seconds if needed, but be cautious not to overheat, as this can make the muffin rubbery.
For a delightful twist, slice the muffin in half and toast it in a toaster oven or on a skillet over medium heat. This method will give the muffin a crispy edge while keeping the inside soft and warm. Add a pat of butter or a drizzle of honey for an extra treat.
If you have an air fryer, preheat it to 320°F (160°C). Place the muffins in the basket and heat for about 3-5 minutes. This will give them a nice, slightly crispy exterior while keeping the inside moist and delicious.
For a steamier approach, place the muffins in a steamer basket over simmering water for about 5 minutes. This method will gently warm them without drying them out, preserving their soft texture.
Essential Tools for Baking
Oven: Used to bake the muffins at the specified temperature until they are cooked through.
Muffin tin: A baking tray with individual cups to hold the muffin batter and shape the muffins as they bake.
Paper liners: Placed inside the muffin tin cups to prevent the muffins from sticking and to make them easier to remove.
Mixing bowl: A large bowl used to combine and mix the ingredients together.
Whisk: A tool used to blend the peanut butter, sugar, eggs, and milk until smooth.
Measuring cups: Used to accurately measure the ingredients like peanut butter, sugar, milk, and flour.
Measuring spoons: Used to measure smaller quantities of ingredients like baking powder and salt.
Toothpick: Used to check if the muffins are done by inserting it into the center and seeing if it comes out clean.
Wire rack: Used to cool the muffins after baking, allowing air to circulate around them for even cooling.
Time-Saving Tips for Baking
Pre-measure ingredients: Measure all ingredients like peanut butter, sugar, and flour in advance to streamline the process.
Use a stand mixer: A stand mixer can quickly blend the wet ingredients and dry ingredients, saving you time and effort.
Batch bake: Double the recipe and freeze extra muffins for quick snacks later.
Quick cleanup: Line your muffin tin with paper liners to minimize washing up.
Room temperature ingredients: Use room temperature eggs and milk for smoother mixing and faster baking.

Peanut Butter Muffins Recipe
Ingredients
Main Ingredients
- 1 cup Peanut butter
- ½ cup Sugar
- 2 Eggs
- ½ cup Milk
- 1 cup Flour
- 1 teaspoon Baking powder
- ½ teaspoon Salt
Instructions
- Preheat your oven to 375°F (190°C) and line a muffin tin with paper liners.
- In a mixing bowl, whisk together the peanut butter, sugar, eggs, and milk until smooth.
- Add the flour, baking powder, and salt to the wet ingredients and mix until just combined.
- Divide the batter evenly among the muffin cups.
- Bake for 20 minutes or until a toothpick inserted into the center comes out clean.
- Let the muffins cool in the tin for 5 minutes before transferring to a wire rack to cool completely.
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