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Peanut Butter Blondies

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Amy GoldenBy Amy Golden
Amy Golden
Amy Golden Food Writer

Curious home cook and copyeditor, with a zest for tasting and writing.

Expertise: Baking and Southern Cooking View all posts →
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A one-bowl wonder that is perfect for when that craving hits!

Homemade peanut butter cookie bars on parchment paper, with peanut butter jar in background. Perfect for baking and snack recipes.

Traditionally, blondies are the non-chocolate version of brownies. If you’re a chocoholic, you may question the existence of a non-chocolate brownie, but stay with me a minute. The dense, chewy texture of brownies is a great feature to try with other flavor profiles, and a blondie lets you do just that. Peanut butter, with its nutty and slightly salty flavor, is a natural choice for amping up a plain blondie and making it irresistible. Even without chocolate!

Blondies are the ultimate treat to whip up when the craving hits, you need a bunch of bars for a bake sale, or you just want an easy homemade dessert. Blondies, along with their cousins brownies, have been popular in the States since the 19th century. Some food historians speculate that blondies were actually the original brownies, since early recipes didn’t always include chocolate and were sweetened with molasses, which would give them a caramel color.

You will love making peanut butter blondies for many reasons. The recipe calls for a short ingredient list (mostly pantry staples), you only need one bowl (no fancy equipment!), and, perhaps most importantly—they’re delicious. The rich, creamy peanut butter is a wonderful sweet and salty addition to the naturally dense, chewy texture of blondies. Whether you are a middle-piece or edge-piece person (I’m an edge-piece person), you will love these sweet, buttery treats.

Creamy peanut butter and dry ingredients for baking on a kitchen countertop.

That classic blondie/brownie texture

Whether it’s a blondie or a brownie, texture is key. Dense, chewy, and a little crisp around the edges, it’s a satisfying, hearty bite every time. The squares in the middle of the pan tend to be a little fudgier without being gloppy or too gooey, and the edges a bit firmer. So, what’s the secret to this amazing texture? It’s the melted butter. Unlike cookies, for instance, where you might cream together softened butter with sugar, in blondies you merely mix melted butter with the sugar and eggs. By not creaming the butter and sugar, you avoid adding extra air to the batter. This way, the bars bake up dense, rich, and chewy.

Golden caramelized apple crisp bars with crumbly topping.

How do I store leftovers?

Store leftover peanut butter blondies at room temperature for up to 3 days or for up to 1 week in the refrigerator. Either way, keep them in a resealable bag or airtight container for freshness. Peanut butter blondies also freeze well. Double-wrap them and freeze for up to 2 months. Thaw at room temperature for about 1 hour before serving.

Butterscotch blondie bars with a golden crust, stacked on parchment paper.

Serving suggestions

If you want to amp up the peanut butter flavor in these blondies, consider adding one cup of peanut butter chips to the batter in step four. For me, blondies and brownies both call for ice cream. Top your still-warm peanut butter blondie with a scoop of Vanilla Ice Cream, and you just might find yourself in foodie heaven. For added richness, you can frost the blondies. Try Peanut Butter Frosting or, if you need that chocolate fix, Chocolate Fudge Frosting. Wait until the blondies are cool to frost, and use an offset spatula to apply the frosting evenly.

Golden brown baked oatmeal bars on white plate.
Butterscotch blondie bars with a golden crust, stacked on parchment paper.

Peanut Butter Blondies

Close-up of a smiling woman with curly dark hair sitting indoors at a cafe or restaurant.Amy Golden
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Print Recipe Pin Recipe
Prep Time 5 minutes mins
Cook Time 25 minutes mins
Total Time 30 minutes mins
Course Dessert
Cuisine American
Servings 12
Calories 245 kcal

Ingredients
  

  • 1/2 cup unsalted butter melted
  • 3/4 cup light brown sugar
  • 1/4 cup granulated sugar
  • 1 large egg
  • 1 1/4 teaspoons vanilla extract
  • 1/2 cup peanut butter
  • 1 pinch kosher salt
  • 1 cup all-purpose flour
  • 1/2 teaspoon baking powder

Instructions
 

  • Preheat your oven to 350°F. Line an 8×8-inch baking dish with parchment paper and lightly grease the paper.
    Unlined baking pan with parchment paper for cake or bread baking.
  • In a bowl, whisk melted butter, brown sugar, and granulated sugar until smooth. Add egg and vanilla, mixing well.
    Smooth caramel sauce mixture in glass bowl with whisk, prepared for baking or desserts.
  • Stir in the peanut butter until the mixture is fully combined.
    Smooth caramel sauce being mixed in a glass bowl with a whisk on a white surface.
  • Add the salt, all-purpose flour, and baking powder. Gently fold the mixture until just combined; do not overmix.
    Creamy peanut butter mixture in a glass bowl for baking or cooking.
  • Carefully pour the batter into your prepped pan and spread it out evenly. Bake for approximately 20-25 minutes, or until a toothpick inserted into the center comes out mostly clean.
    Buttery homemade vanilla cake in a baking pan with parchment paper, baked to golden perfection.
  • Allow the blondies to cool completely in the pan. Use the parchment paper overhang to lift them out, then cut into squares and serve.
    Butterscotch Toffee Bars on parchment paper with a golden, slightly cracked topping.

Nutrition

Calories: 245kcalCarbohydrates: 28gProtein: 4gFat: 14gSaturated Fat: 6gSodium: 77mgFiber: 1g
Keyword Peanut Butter Blondies
Tried this recipe?Let us know how it was!
Close-up of a smiling woman with curly dark hair sitting indoors at a cafe or restaurant.

About Amy Golden

Curious home cook and copyeditor, with a zest for tasting and writing.

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Published: Aug 28, 2025 | Updated: Nov 14, 2025

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