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Home » Desserts

Easy Peanut Butter Blondies

Updated: Oct 29, 2025 · Published: Dec 11, 2017 by Olya Shepard · 1 Comment

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Easy peanut butter blondies are made with the most basic ingredients: butter, brown sugar, flour and of course, peanut butter. But the result is the most amazing moist, fudgy and chewy bars that you can snack on all day. You can store them in refrigerator up to 7 days or in the freezer for up to 90 days.

Easy Peanut Butter Blondies stocked up

I added sea salt here because salt enhances and even intensifies the taste of peanut butter and brown sugar.  It's definitely a must. I encourage you to use sea salt - it has more flavor, or at least tastes a lot saltier. If adding table salt, add a bit more than specified ¼ teaspoon of sea salt.

And because we want these peanut butter blondies to be fudgy and thick, no baking soda is added here.  The absence of baking soda is also the reason why they are not tall.

Easy Peanut Butter Blondies

If you are a peanut butter lover - these are super easy to make and they store great! Store them in an airtight container in the refrigerator for one week. Or in the freezer for up to 3 months.

No mixer is required. All you need is the bowl and a fork to mix everything in.

Easy Peanut Butter Blondies

Easy peanut butter blondies are made with the basic ingredients: butter, brown sugar, flour and peanut butter to arrive at the most amazing moist, fudgy and chewy bars that you can snack on all day.
5 from 2 votes
Print Pin Rate
Course: Dessert
Cuisine: American
Keyword: peanut butter dessert
Prep Time: 10 minutes minutes
Cook Time: 30 minutes minutes
Total Time: 40 minutes minutes
Servings: 10
Author: Olya Shepard

Ingredients

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

Instructions

  • Preheat oven to 350 degrees and lightly grease 9x9 baking dish. Set aside.
  • In a medium bowl, combine the melted butter and light brown sugar. Mix until well incorporated. Add in the egg, salt and vanilla extract. Mix well.
  • Add the peanut butter and make sure all of the wet ingredients are thoroughly mixed. Add in flour. The mixture should be thick.
  • Spread the blondie mixture the baking dish and spread out evenly with a plastic spatula or fingers:).
  • Bake for 30 minutes or until a tooth pick inserted in the middle comes out clean.
Calories: 295kcal
Nutrition Facts
Easy Peanut Butter Blondies
Amount per Serving
Calories
295
% Daily Value*
Fat
 
16
g
25
%
Saturated Fat
 
7
g
44
%
Trans Fat
 
1
g
Polyunsaturated Fat
 
2
g
Monounsaturated Fat
 
6
g
Cholesterol
 
41
mg
14
%
Sodium
 
199
mg
9
%
Potassium
 
125
mg
4
%
Carbohydrates
 
34
g
11
%
Fiber
 
1
g
4
%
Sugar
 
23
g
26
%
Protein
 
5
g
10
%
Vitamin A
 
306
IU
6
%
Calcium
 
32
mg
3
%
Iron
 
1
mg
6
%
* Percent Daily Values are based on a 2000 calorie diet.
Vitamin A
 
306
IU
6
%
Calcium
 
32
mg
3
%
Iron
 
1
mg
6
%
Tried this recipe? I would love to see your creation!Let me know on Instagram @whatsinthepanblog

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Reader Interactions

Comments

  1. Jerry says

    December 15, 2017 at 6:33 pm

    These look interesting. I’m going to try these for my cookie exchange at work this year.

    Reply
5 from 2 votes (2 ratings without comment)

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