Peanut Butter Blondies

4. Mix in the Eggs and Vanilla

Add the eggs one at a time, whisking well after each addition.

Stir in the vanilla extract.

At this point, the mixture should become smooth and slightly thicker. Avoid overmixing once the eggs are incorporated.

5. Prepare the Dry Ingredients

In a separate bowl, whisk together:

• All-purpose flour
• Baking powder
• Salt

Mixing the dry ingredients separately helps distribute the baking powder and salt evenly throughout the flour.

6. Combine the Wet and Dry Mixtures

Gradually add the dry ingredients to the peanut butter mixture.

Use a spatula or wooden spoon to gently fold everything together until you no longer see streaks of dry flour.

Don’t overmix the batter. A few gentle folds are enough. Overmixing can develop too much gluten and make the blondies less tender.

7. Add the Optional Extras

If you’d like a little extra texture, fold in the chocolate chips and chopped roasted peanuts.

You can also reserve a small handful of chocolate chips or peanuts to scatter over the top before baking.

For a classic peanut butter flavor, you can leave the batter exactly as it is.

8. Transfer the Batter to the Pan

Spoon the thick batter into the prepared baking pan.

Use a spatula to spread it evenly from corner to corner. Because the batter is thick, take a moment to smooth the surface.

If desired, sprinkle a few additional chocolate chips or chopped peanuts over the top.

9. Bake the Blondies

Place the pan in the preheated oven and bake for approximately 25–32 minutes.

The edges should look set and lightly golden, while the center should still have a little softness.

Be careful not to overbake them. A toothpick inserted into the center should come out with a few moist crumbs rather than completely clean.

That slight underbaked appearance in the center is what helps produce a soft, chewy blondie once it cools.

10. Let Them Cool Completely

Remove the pan from the oven and place it on a cooling rack.

Allow the blondies to cool in the pan for at least 30–45 minutes.

For especially clean slices, let them cool completely before cutting. You can even refrigerate them briefly once cooled.

Use the parchment-paper overhang to lift the blondies from the pan and place them on a cutting board.

11. Slice and Serve

Cut the blondies into squares or rectangles.

For a simple finish, serve them as they are. For something more indulgent, drizzle them with melted chocolate or serve them slightly warm with a scoop of vanilla ice cream.

Tips for Perfect Peanut Butter Blondies

Use creamy peanut butter. Conventional creamy peanut butter gives the batter a smooth consistency. Natural peanut butter can sometimes separate and produce a different texture.

Don’t overbake. The blondies should look set around the edges but remain slightly soft in the middle when they come out of the oven.

Measure the flour carefully. Too much flour can make the blondies dry and cakey. For the most accurate result, weighing the flour is ideal.

Allow them to cool before cutting. Freshly baked blondies are very soft. Cooling gives them time to firm up and develop their characteristic chewy texture.

Try adding chocolate. Peanut butter and chocolate are a classic combination. Semi-sweet or milk chocolate chips both work beautifully.

Easy Variations

Chocolate Peanut Butter Blondies

Fold ¾ cup of chocolate chips into the batter for a richer, more decadent version.

Peanut Butter Swirl Blondies

Before baking, warm a few tablespoons of peanut butter until easily spreadable. Drop small spoonfuls over the batter and gently swirl with a knife.

Peanut Butter and Pretzel Blondies

Add ½ cup of crushed pretzels to the batter for a delicious combination of sweet, salty, crunchy, and chewy.

Double Peanut Butter Blondies

Add chopped roasted peanuts to the batter and sprinkle a few extra over the top before baking for an even stronger peanut flavor.

How to Store Them

Store the cooled blondies in an airtight container at room temperature for 3–4 days.

For longer storage, place them in the refrigerator for up to a week. Let them come to room temperature before serving for the best texture.

They can also be frozen. Wrap individual pieces tightly in plastic wrap and place them in a freezer-safe container or bag. Freeze for up to 2–3 months and thaw at room temperature.

Final Thoughts

These Peanut Butter Blondies are proof that a simple recipe can create an incredibly satisfying dessert. The combination of buttery brown sugar, creamy peanut butter, vanilla, and a soft chewy center makes every bite rich without being overly complicated.

Whether you enjoy them plain, loaded with chocolate chips, or finished with a peanut butter swirl, they make an easy homemade treat that’s perfect for sharing—or keeping a few pieces hidden for yourself.