Name: Peanut Butter Blondies Recipe
Prep time: 8 min
Cook time: 30 min
Total time: 38 min
Cuisine: American
Ingredients: ½ cup unsalted butter – melted and cooled; 1 ¼ cup brown sugar – packed; ¾ cup creamy peanut butter; 1 teaspoon vanilla extract; 2 large eggs – room temperature; 1 egg yolk – room temperature; 1 ¼ cup all-purpose flour – sifted; 1 teaspoon baking powder; ¼ teaspoon salt; ½ cup toasted peanuts – chopped or halves; Sea salt flakes on top (optional)

Jump to Recipe· 4.3 from 82 reviews

If you love the rich, nutty, and irresistibly chewy texture of a classic treat, then this Peanut Butter Blondies Recipe is about to become your new favorite dessert. Thick, soft, and bursting with peanut butter flavor in every bite, these blondies come together quickly and easily, making them perfect for satisfying that sweet tooth without all the fuss. Whether you’re baking for a casual snack or a special occasion, this recipe delivers a crowd-pleasing dessert that’s as comforting as it is delicious.

Ingredients You’ll Need

The image shows eight bowls and an egg arranged on a white marbled surface. At the top left is a white plate filled with white flour. To its right, a small white bowl holds three slices of pale yellow butter. Below, there is a brown egg placed directly on the surface. Next to the egg on the right, a small white bowl contains a dark brown liquid. Below the flour plate, another white bowl is filled with light brown sugar. To the right of that, a small white bowl holds a handful of light brown peanuts. Below the sugar bowl, there are two small clear glass bowls next to each other; one has white baking powder and the other contains white granulated sugar. The composition is bright and clean, balanced against the white marbled background photo taken with an iphone --ar 4:5 --v 7

These simple but essential ingredients perfectly balance each other to give you that perfect chewy texture, deep peanut butter flavor, and just the right amount of sweetness and moisture in your blondies. Each ingredient plays a key role in building the foundation of this delightful dessert.

½ cup unsalted butter – melted and cooled for a rich, buttery base that keeps the blondies moist.

1 ¼ cup brown sugar packed – adds sweetness and a hint of molasses flavor for depth.
¾ cup creamy peanut butter – the star of the show, providing that unmistakable savory-sweet character.
1 teaspoon vanilla extract – enhances the overall flavor with a warm aromatic note.

2 large eggs – room temperature to help bind everything together while adding structure.
1 egg yolk – adds extra richness and helps keep the blondies tender.
1 ¼ cup all-purpose flour – sifted to ensure a light, even crumb.

1 teaspoon baking powder – gives a subtle lift for a soft yet slightly airy texture.
¼ teaspoon salt – balances the sweetness and enhances the peanut flavor.
½ cup toasted peanuts – chopped or halves add crunch and enhance that peanut experience, with some reserved for garnish.
Sea salt flakes (optional) – sprinkled on top to create a perfect sweet and salty finish.

How to Make Peanut Butter Blondies Recipe

Step 1: Prepare and Mix the Wet Ingredients

Start by preheating your oven to 350 degrees Fahrenheit to ensure it’s ready when your batter is done. In a large bowl, beat the melted and cooled butter together with the packed brown sugar on low speed. This slow mixing helps combine the fats and sugars without over-aerating, giving your blondies a denser texture. Once smooth, add the creamy peanut butter—it blends beautifully and intensifies the flavor. Then, incorporate the eggs and egg yolk one at a time, maintaining a gentle pace to create a silky, homogenous mixture. Finally, stir in that fragrant vanilla extract, a small but crucial touch that wraps the whole batter in warm sweetness.

Step 2: Combine the Dry Ingredients

In a separate bowl, whisk together the sifted all-purpose flour, baking powder, and salt. Sifting helps avoid lumps and ensures the leavening agent is evenly distributed. This dry mix will provide structure without weighing down the blondies, keeping them tender but stable.

Step 3: Bring It All Together

Gradually add the dry mixture into your wet ingredients, mixing on low speed until everything is just combined. Overmixing can develop gluten, resulting in tougher blondies, so be gentle and patient. Fold in the toasted peanuts, which add an extra layer of texture and nuttiness that makes these blondies truly memorable.

Step 4: Bake to Perfection

Transfer your batter into a greased or parchment-lined pan, smoothing the top evenly. Scatter a handful of reserved peanuts across the surface, and if you’re feeling adventurous, sprinkle sea salt flakes on top to create that perfect sweet and salty contrast. Bake for about 30 minutes. The center should remain just slightly soft and jiggly when you take it out—this ensures that your blondies stay wonderfully chewy once cooled.

How to Serve Peanut Butter Blondies Recipe

A clear glass bowl sits on a white marbled surface, filled with two main layers. The larger layer is smooth, light brown peanut butter with a creamy texture spread evenly across the bottom and sides of the bowl. On top of this, on one side of the bowl, sits a pile of pale tan, whole dry roasted peanuts with a firm texture. The contrast between the thick peanut butter and the dry peanuts is clear and textured, with the peanuts forming a loose cluster against the soft spread. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

While these blondies are delicious on their own, a light sprinkle of sea salt flakes or extra chopped peanuts on top really elevates their flavor and adds a delightful crunch. For added decadence, try drizzling a bit of melted chocolate or even a dollop of whipped cream for the perfect finishing touch.

Side Dishes

Peanut Butter Blondies pair beautifully with a scoop of vanilla ice cream or a simple bowl of fresh berries to cut through the sweetness. For coffee or tea lovers, these blondies make a superb accompaniment, complementing the warm notes of your favorite brew.

Creative Ways to Present

If you want to dress up these blondies for a party or gift, cut them into bite-sized squares and skewer them onto wooden sticks with a drizzle of honey or chocolate candy coating. You can also sandwich two pieces with a layer of peanut butter frosting or caramel for an indulgent treat that’s sure to wow your friends.

Make Ahead and Storage

Storing Leftovers

Once your Peanut Butter Blondies are completely cooled, store them in an airtight container at room temperature. They remain wonderfully soft and chewy for up to 3 to 4 days, making them a perfect make-ahead treat for busy days.

Freezing

If you want to keep your blondies fresh for longer, these freeze very well. Wrap individual pieces in plastic wrap and place them into a freezer-safe bag or container. They can be frozen for up to three months without losing their rich flavor or chewy texture.

Reheating

To enjoy your frozen blondies, simply thaw them at room temperature or warm them briefly in the microwave for about 15 seconds. This little warmth brings back their freshly baked softness and makes them taste as indulgent as the day you made them.

FAQs

Can I use crunchy peanut butter instead of creamy?

Absolutely! Using crunchy peanut butter will add extra texture to your blondies, giving them a delightful nutty bite. Just keep in mind it might make the batter a little thicker.

Are peanut butter blondies gluten-free?

This particular recipe uses all-purpose flour, so it’s not gluten-free as is. However, you can replace the flour with a gluten-free baking blend for a similar texture and enjoy safe, allergy-friendly blondies.

Can I substitute the butter with oil or another fat?

Butter adds richness and flavor that’s hard to replicate, but you can try using coconut oil for a slightly different taste or a neutral oil like canola. Keep the quantity the same, but expect a subtle change in texture and flavor.

How do I know when the blondies are done baking?

The best indicator is that the edges are set and golden, but the center should still look a bit soft and jiggly. This ensures they stay chewy and moist once cooled, rather than drying out.

Can I add chocolate chips or other mix-ins?

Definitely! Chocolate chips, white chocolate chunks, or even small pieces of toffee make great mix-ins. Just fold them in at the same step you add the peanuts for an extra layer of flavor.

Final Thoughts

There is something truly comforting about a batch of homemade Peanut Butter Blondies Recipe, and I can’t recommend giving this one a try enough. It’s simple, fast, and endlessly satisfying, bringing together that perfect mix of salty and sweet with a rich peanut buttery punch. Whether you bake them to share or keep them all to yourself, these blondies are bound to become a cherished staple in your recipe box. So go ahead, preheat that oven, and treat yourself to a warm, chewy piece of peanut butter bliss today!