The Flourishing Abode

Peanut Butter Brownies Recipe Will Make You Famous at Every Potluck Forever!

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Anjali Arora

Anjali Arora

This image shows a top-down view of sliced peanut butter brownies in a glass baking dish placed over a clean white marble cooktop.

Desserts

Warm, gooey, and unapologetically rich, these Peanut Butter Brownies are what happens when Southern comfort meets Parisian flair. Think of the creamy depth of West African groundnut stew, reimagined into a dessert bar that tastes just as divine alongside a buttery Earl Grey cookie or a delicate Crepe.

In my travels through Chiang Mai’s street markets, I saw how peanut-based sweets balanced sweet and savory in every bite—this recipe borrows that harmony. I use the marbling technique found in patisserie kitchens to swirl in peanut butter like it’s a fine art (because it is).

Don’t be afraid to make it your own—top it with flaky sea salt, swirl in raspberry jam, or pair it with hot masala chai. Whether it’s a Tuesday pick-me-up or your weekend baking project, these brownies are your global passport to indulgence.

What Makes This Recipe Special?

This image shows a top-down view of baked peanut butter brownies cooling in a glass dish placed on a white marble cooktop before slicing.
  • I first made these after a trip to Georgia (the country), where walnut desserts inspired my use of rich nut butters—turns out, peanut butter adds that same depth with a nostalgic twist.
  • They became my go-to for late-night sweet cravings, especially because they freeze well and taste just as good cold, almost like fudge.
  • I’ve played around with toppings over the years, but a dusting of espresso powder really highlights the chocolate base in a way I never expected.
  • Perfect for portion control, I’ve used these as a sneaky way to stick to my health goals—they satisfy without needing to binge.
  • And yes, they taste incredible with a side of Earl Grey Cookies and Crêpes—the contrast in textures makes every bite feel luxurious.
This image shows a top-down view of sliced peanut butter brownies in a glass baking dish placed over a clean white marble cooktop.

Peanut Butter Brownies Recipe

Rich, chewy, and packed with nutty goodness, these peanut butter brownies combine creamy peanut butter with a soft, cookie-like base. They’re a simple yet indulgent treat, perfect for peanut butter lovers who crave a fudgy dessert with a golden, slightly crisp top.
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Course Dessert
Cuisine American
Servings 16 people
Calories 177 kcal

Equipment

  • Mixing bowls (medium and large)
  • Electric hand mixer or stand mixer
  • Measuring cups
  • Measuring spoons
  • Rubber spatula
  • Whisk
  • 8×8-inch baking pan
  • Oven mitts

Ingredients
  

  • ½ cup peanut butter
  • cup white sugar
  • 1 tsp baking powder
  • ½ tsp vanilla extract
  • ¼ salt
  • 2 large egg
  • cup margarine, softened
  • ½ cup packed brown sugar
  • 1 cup all-purpose flour

Instructions
 

  • Preheat your oven to 350°F (175°C) and lightly grease an 8×8-inch baking pan.
    This image shows a top-down view of a lightly greased square glass baking pan on a white marble cooktop with an oven preheating in the background at 350°F.
  • In a medium mixing bowl, cream together the peanut butter and margarine until smooth and combined.
    This image shows a top-down view of a clear glass bowl on a white marble cooktop containing peanut butter and margarine being creamed together.
  • Gradually add the white sugar, brown sugar, eggs, and vanilla, continuing to mix until the batter turns light and fluffy.
    This image shows a top-down view of a glass bowl containing a peanut butter mixture with sugar, eggs, and vanilla added over a white marble cooktop.
  • In a separate bowl, whisk together the flour, baking powder, and salt, then slowly stir the dry ingredients into the peanut butter mixture until fully incorporated and no streaks of flour remain.
    This image shows a top-down view of a glass bowl on a white marble cooktop where flour, baking powder, and salt are being mixed into the peanut butter batter.
  • Pour the batter into the prepared pan and spread it evenly with a spatula.
    This image shows a top-down view of a square glass baking dish filled with evenly spread peanut butter brownie batter over a white marble cooktop.
  • Bake in the preheated oven for 30 to 35 minutes, or until the top springs back when lightly touched.
    This image shows a top-down view inside an oven with peanut butter brownies baking in a glass dish, placed over a clean white marble cooktop.
  • Allow the brownies to cool in the pan before slicing into 16 squares and serving.
    This image shows a top-down view of baked peanut butter brownies cooling in a glass dish placed on a white marble cooktop before slicing.

Notes

  • Use natural peanut butter for a richer flavor and smoother texture, but make sure it’s well-stirred.
  • Swirl in chocolate chips or chopped peanuts before baking for added texture and taste.
Calories177kcal
Carbohydrates23g
Fiber1g
Fat9g
Protein4g
Cholesterol23g

Try More Dessert Recipes Like This!

  1. Castella Cake 
  2. Madeleine Cake
  3. Chocolate Chip Pound Cake
  4. Easter Cake With Coconut 
  5. Banana Loaf Cake

Tags:

baked recipes / Brownies recipes / classic recipes

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