I went through a phase where I wanted peanut butter in absolutely everything. Toast, smoothies, oatmeal, straight from the jar honestly nothing was safe. One evening I wanted something homemade but didn’t feel like making cookies, and that’s how these Peanut Butter Blondies happened.

They have the soft, buttery texture of a blondie but with that rich peanut butter flavor running through every bite. The centers stay thick and fudgy while the edges turn slightly golden, and they taste even better a few hours later once everything settles.

What I like most about this recipe is that it feels simple and low effort but still tastes like something you would bring to a party or bake sale. Plus, if you’re a peanut butter person like me, these are very hard to stop eating.

Why You Will Love This Peanut Butter Blondies Recipe

These Peanut Butter Blondies are rich, soft, and packed with peanut butter flavor.

The texture is thick and fudgy in the center with slightly chewy edges.

They’re easy to make with basic pantry ingredients and everything comes together in one bowl.

Another reason this recipe works so well is because the peanut butter gives the blondies extra softness without making them too heavy.

They’re perfect for dessert, afternoon snacks, lunch boxes, or whenever you want something homemade without spending all day baking.

What You Will Need

An 8×8 baking dish works best for thick blondies with soft centers.

Parchment paper helps lift the blondies out easily for slicing.

A mixing bowl and spatula are all you really need for the batter.

Ingredients

• ½ cup unsalted butter, melted
• 1 cup light brown sugar
• 1 large egg
• 1 teaspoon vanilla extract
• ½ cup peanut butter
• ¼ teaspoon salt
• 1 cup all-purpose flour

How to Make Peanut Butter Blondies

Preheat your oven to 350°F and line an 8×8 baking dish with parchment paper or lightly grease it.

In a large bowl, mix together the melted butter and brown sugar until combined.

Add the egg and vanilla extract, then stir until smooth.

Mix in the peanut butter until fully combined.

Add the salt and flour, then fold everything together until a thick batter forms.

Spread the batter evenly into the prepared baking dish.

Bake for 20–25 minutes or until the top looks set and a toothpick inserted in the center comes out mostly clean.

Let the blondies cool before slicing into bars.

Tips

Do not overbake the blondies because they continue setting as they cool.

Creamy peanut butter works best for a smooth texture.

If you want extra peanut butter flavor, you can add a few peanut butter chips to the batter.

For cleaner slices, chill the blondies for a little while before cutting.

These taste really good slightly warm with a glass of cold milk.

More Blondies Recipes

• Biscoff Blondies
• Lemon Blondies
• Banana Blondies
• Pumpkin Spice Blondies
• Butterscotch Blondies