This chewy peanut butter brownies recipe makes about 24 rich, blondie-style brownies in a greased 13 x 9-inch pan. Made with softened butter, two kinds of sugar, creamy peanut butter, and no cocoa or melted chocolate, these brownies take about 15 minutes to prepare and bake in 25–30 minutes at 350°F (175°C).
Every bite has lightly crisp golden edges and a soft, chewy center with plenty of classic peanut butter flavor. They are sweet without being fussy, easy enough for a weekday baking project, and especially delicious with a cold glass of milk, a scoop of vanilla ice cream, or a warm cup of coffee.
Jump to RecipeWhy You’ll Love This Recipe
These brownies are for anyone who loves the buttery chew of a blondie and the unmistakable flavor of peanut butter. The combination of granulated sugar and packed light brown sugar creates sweetness, moisture, and a pleasantly chewy texture that keeps the centers soft after cooling.
Unlike traditional chocolate brownies, this version contains no cocoa powder and no melted chocolate. That lets the peanut butter take center stage while vanilla adds warmth and butter gives the edges a delicate richness.
The batter comes together with familiar pantry ingredients, and the entire recipe uses one main mixing bowl plus a small bowl for the dry ingredients. For another peanut butter dessert idea with a chocolate contrast, you can also try our peanut butter cup brownie recipe.
Ingredients You’ll Need
Gather the ingredients before you start, especially because softened butter and room-temperature eggs blend more smoothly. The measurements below are designed for a 13 x 9-inch pan and yield about 24 brownies.
- Butter: Use 1/2 cup, or 113 grams, softened to room temperature. It should yield gently when pressed but not look melted.
- Sugars: One cup of granulated sugar and one packed cup of light brown sugar provide the right balance of sweetness and chew.
- Eggs: Two large eggs help bind the batter and contribute structure. Room-temperature eggs mix more evenly into the creamed butter.
- Peanut butter: One cup, or about 255 grams, of regular creamy peanut butter gives the batter a smooth, dependable texture.
- Flavoring: One teaspoon of vanilla extract rounds out the peanut butter flavor.
- Dry ingredients: You will need 1 1/2 cups, or about 180 grams, of all-purpose flour, one teaspoon of baking powder, and 1/2 teaspoon of salt.
Regular creamy peanut butter is the best choice here. Natural-style peanut butter can separate into oil and solids, which may make the batter less uniform and change the finished texture.
How to Make It Step-by-Step
Step 1: Heat your oven to 350°F (175°C), then grease a 13 x 9-inch baking pan thoroughly. Pay attention to the corners so the cooled brownies release easily, or line the pan with parchment after greasing if you want simple lifting and cleaner slicing.
Step 2: Place the softened butter, granulated sugar, and packed light brown sugar in a large mixing bowl. Beat them until the mixture looks lighter in color and fluffy, scraping down the sides once or twice so the butter and sugars combine evenly.
Step 3: Add the eggs one at a time, beating after each addition. Once the eggs are incorporated, add the creamy peanut butter and vanilla extract, then mix until the batter looks smooth and cohesive.
Step 4: In a separate bowl, whisk the flour, baking powder, and salt together. This distributes the baking powder and salt through the flour, helping the brownies bake evenly without pockets of seasoning.
Step 5: Gradually add the dry ingredients to the peanut butter mixture. Mix only until no obvious streaks of flour remain; stopping at this point helps prevent dense, tough brownies caused by overmixing.
Step 6: Transfer the thick batter to the prepared pan and spread it into an even layer. A flexible spatula makes this easier, and gently smoothing the corners will help the brownies finish at a consistent thickness.
Step 7: Bake for 25–30 minutes, watching for lightly golden edges. Insert a toothpick near the center; it should come out with moist crumbs rather than wet batter, because a completely clean toothpick often means the brownies have baked too long.
Step 8: Place the pan on a cooling rack and let the brownies cool for at least 20–30 minutes before cutting. They firm up and become chewier as they cool, so waiting makes the slices easier to handle and improves the texture.
Pro Tips for Chewy Brownies
The most important tip is to avoid overbaking. Peanut butter brownies may still look a little soft in the center when they are ready, but residual heat continues cooking them in the pan as they cool.
Measure the flour carefully by spooning it into a measuring cup and leveling the top, or use the gram measurement for accuracy. Too much flour can make the brownies dry and cakey instead of tender and chewy.
Softened butter is also important. If the butter is cold, it will not cream properly with the sugars; if it is melted, the batter may lose the light, fluffy structure created during mixing.
For neat squares, cool the brownies fully, then use a sharp knife. Wipe the blade between cuts for tidy edges, or cut the pan into six rows by four rows for approximately 24 pieces.
These brownies are wonderful as written, but you can serve them with a thin drizzle of warmed peanut butter or a scoop of vanilla ice cream. If you enjoy nutty desserts, our butter pecan cupcake recipe makes another lovely choice for a dessert table.
Storage and Serving Ideas
Once cooled and sliced, store the brownies in an airtight container at room temperature. They should remain pleasantly soft for several days, although their edges may become slightly firmer over time.
For longer storage, wrap individual brownies well and freeze them in a sealed freezer-safe container. Thaw them at room temperature, then enjoy them as they are or warm one briefly before serving.
Serve the brownies plain for a simple snack, or add vanilla ice cream and a spoonful of peanut butter sauce for a more generous dessert. Their compact size also makes them convenient for bake sales, lunch boxes, potlucks, and casual gatherings.
If you are planning a meal around this dessert, our garlic butter chicken and potato skillet is a hearty savory option, while our Indian butter chicken offers a warmly spiced dinner choice.
Easy Variations
The classic recipe is intentionally simple, but it welcomes a few serving variations. Add a pinch of flaky salt over the cooled brownies if you enjoy a sweet-and-salty finish, or serve each square with sliced banana for a familiar peanut butter pairing.
For a dessert spread, cut some brownies into small bites and leave others in larger squares. You can also pair them with our chocolate chip peanut butter cup cookie dough for a playful peanut butter dessert selection.
Keep in mind that the provided ingredient balance is what creates the intended chewy texture. Avoid changing the flour, sugar, or peanut butter quantities if you want the most reliable result.
Chewy Peanut Butter Brownies
Ingredients
Method
- Heat the oven to 350°F (175°C) and grease a 13 x 9-inch baking pan.
- Cream the softened butter, granulated sugar, and packed light brown sugar until light and fluffy.
- Beat in the eggs one at a time, then mix in the creamy peanut butter and vanilla extract until smooth.
- In a separate bowl, whisk together the all-purpose flour, baking powder, and salt.
- Gradually add the dry ingredients to the peanut butter mixture, mixing only until combined.
- Spread the thick batter evenly in the prepared pan.
- Bake for 25–30 minutes, until the edges are lightly golden and a toothpick inserted near the center shows moist crumbs rather than wet batter.
- Cool for at least 20–30 minutes before slicing; the brownies become firmer and chewier as they cool.
Notes
Final Thoughts
These chewy peanut butter brownies are a dependable dessert with big flavor and a wonderfully soft center. Creaming the butter and sugars well, using regular creamy peanut butter, and pulling the pan from the oven when moist crumbs remain are the keys to success.
Give the brownies at least 20–30 minutes to cool before slicing so their texture can set. Once cut, they are ready to serve as an everyday treat or a crowd-pleasing addition to any dessert table.
With simple ingredients, a short preparation time, and about 24 generous squares from one pan, this is the kind of recipe worth keeping close. Bake a batch, pour a glass of milk, and enjoy the rich peanut butter flavor in every chewy bite.