Baking the Good Old Peanut Butter Brownies Recipe Found On Reddit

I recently stumbled upon a easy peanut butter brownies recipe on Reddit. Given the success of my previous Reddit baking endeavor with date-filled oatmeal cookies, I’m excited to dive into another delicious baking project!

So, how about we bake these peanut butter brownies? The recipe uses some really simple ingredients you probably already have. And they are super easy to make.

easy peanut butter brownies

Note: If you’re curious to see how these peanut butter brownies come together, definitely check out the video below. I walk you through each step, showing you exactly how I make them.

Here Are The Ingredients For The Peanut Butter Brownies:

jar of peanut butter
  • Butter: 1/3 cup (about 76 grams)
  • Smooth Peanut Butter: 1/2 cup (about 125 grams)
  • White Sugar: 1 cup (about 200 grams)
  • Brown Sugar: 1/2 cup (about 100 grams)
  • Medium-Sized Eggs: 2
  • All-Purpose Flour: 1 cup (about 120 grams)
  • Baking Powder: 1 teaspoon (about 5 grams)
  • Salt: 1/4 teaspoon (about 1.25 grams)
  • Chocolate Pieces: as desired
  • Vanilla Extract: 1/2 teaspoon (about 2.5 ml)

Step 1: Cream Butter and Peanut Butter

mixing butter and peanut butter in the mixing bowl

Begin by creaming together 1/3 cup of butter and 1/2 cup of peanut butter. Mix them until they’re completely blended into a smooth mixture like you can see below.

creamed butter and peanut butter

Use room-temperature butter for a smoother blend. You can also microwave the peanut butter a bit to make it easier to mix.

So, for brownies and baking in general, I’d go with a smooth, natural peanut butter that’s free from added sugars, salt, or palm oil, you want 100% peanuts and no other ingredients on the label.

Crazy Richard's 100% All-Natural Creamy Vegan Peanut Butter with No Added Sugar and Non-GMO, 26 Ounce (Pack of 1)


Step 2: Add Sugars

Next, stir in 1 cup of white sugar and 1/2 cup of brown sugar. Mix just enough to blend them. I must say that the brown sugar adds a lovely caramel note that really elevates the flavor of these brownies.

adding one cup of sugar
adding half a cup of brown sugar

For these peanut butter brownies, regular brown sugar is a great choice for its balanced sweetness and moisture, but my personal preference I really like Muscovado sugar for its deeper, bittersweet molasses flavor and higher moisture content, plus, that is the only one I had in my kitchen cupboard. But I think it really adds a nice richness to the brownies.

India Tree Dark Muscovado Sugar, 1 Pound Box, Unrefined Brown Baking Sugar with Rich Molasses Flavor, Perfect for Gingerbread, Coffee, and Chocolate Cakes


Step 3: Add Eggs

adding two eggs to the brownie batter

Now, let’s add two eggs to the mix, one at a time. This ensures each egg is fully incorporated. I suppose you can add them together but the recipe says to do it one by one so, let us follow the original instructions.

Step 4: Sift and Mix Dry Ingredients

adding flour and baking powder
mixing peanut butter brownie batter

Sift together 1 cup of flour1 teaspoon of baking powder, and 1/4 teaspoon of salt, and then mix them into the batter. Sifting flour is always a good idea, it makes it lighter and gets rid of lumps, which helps your brownies or any baked goods turn out smoother and more evenly cooked.

Step 5: Fold in Some Chococlate

Fold in your desired amount of chocolate pieces and 1/2 teaspoon of vanilla extract.

mixing chocolate chips into the batter

I think that the original recipe in Reddit calls for milk chocolate pieces, and I did actually use milk chocolate in the video recipe below but I think it was a bit too sweet. I think for the best results, using semi-sweet or dark chocolate pieces is ideal, as they provide a deep chocolatey flavor without making the brownies too sweet.

Step 6: Pour The Brownie Batter Into The Baking Dish

Pour the batter into a 9-inch baking dish, spreading it evenly. This step is straightforward to ensure an even bake.

pouring the brownie batter into a baking dish

For this peanut butter brownie recipe, a 9-inch baking dish is just right. It lets the batter spread out evenly, which means it cooks through just as it should. Plus, it gives you brownies that are perfectly thick, chewy, and soft all at the same time. But if you have 2 qt baking dish, that will work ok as well.

Step 7: Bake to Perfection

baking peanut butter brownies in preheated oven

Finally, bake in a preheated oven at 350°F (175°C) for about 30 minutes. When the brownie turns golden brown and your kitchen smells like a dream, it is ready!

Top Tip: To see if your brownies are done, just give them the old toothpick test – stick it in the middle, and if it comes out with a few crumbs, they’re perfect. Also, watch for the edges pulling away from the pan and a set top; that’s your cue that they’re ready!

If you prefer gooier brownies, take them out of the oven a minute or two early. This results in a softer, more fudgy center.

squares of fudgy peanut butter brownies

And voila! You’ve just made the most scrumptious peanut butter brownies. They’re the perfect blend of rich, nutty, and chewy – a true delight in every bite. Enjoy!

How To Store Peanut Butter Brownies?

storing peanut butter brownies

Brownies often taste better the next day, as this allows the flavors to meld together more fully. If you can resist eating them all at once, try saving some for later!

To store these peanut butter brownies, first make sure they’re completely cooled. Then, place them in an airtight container, separating layers with parchment paper to prevent sticking. You can keep them at room temperature for about 3-4 days. For longer storage, pop them in the fridge where they’ll stay fresh for up to a week.

If you really want to extend their shelf life, brownies can be frozen. Wrap them individually in cling film and then place them in a freezer bag. They’ll last for a couple of months – just thaw at room temperature or give them a quick warm-up in the microwave when you’re ready to enjoy them again.

Oh, and speaking of brownies, don’t forget to give my Sweet Potato Avocado Brownies recipe a whirl! It’s a unique twist on the classic brownie that’s both nutritious and fudgy. So, if you’re up for a delicious adventure, check it out and let me know what you think!

Easy Peanut Butter Brownies Recipe (Rich & Chewy)

Recipe by Jen Evansy
5.0 from 2 votes
Course: DessertCuisine: AmericanDifficulty: Easy


Prep time


Cooking time




Total time



These peanut butter brownies are a real treat – they’re super rich and full of that cozy peanut butter flavor, with just the right touch of chocolate. They’re soft and chewy in the middle, which I think is the best part, and they have a bit of a crust on top. They’re pretty much what you’d want in a homemade brownie: simple, delicious, and comforting. This recipe will give you 9 decent size squares.

Cook Mode

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  • 1/3 cup (76g) room temperature butter

  • 1/2 cup (125g) all-natural smooth peanut butter

  • 1 cup (200g) white sugar

  • 1/2 cup (100g) brown sugar

  • 2 medium-sized eggs

  • 1 cup (120g) all-purpose flour

  • 1 teaspoon (5g) baking powder

  • 1/4 teaspoon (1.25g) salt

  • 1/2 cup (90g) Chocolate pieces/chips, as desired (optional)

  • 1/2 teaspoon (2.5ml) vanilla extract


  • Preheat your oven to 350°F (175°C).
  • In a large mixing bowl, blend the butter and peanut butter until completely combined and smooth.
  • Gently stir in both white and brown sugars until well blended
  • Crack the eggs, adding them one at a time, and mix briefly after each addition.
  • Sift the flour, baking powder, and salt together, and gradually add them to the wet mixture, stirring until well incorporated.
  • Fold in chocolate pieces (if using) and vanilla extract, stirring to combine everything evenly.
  • Pour the batter into a 9-inch baking dish, using a spatula to spread it evenly.
  • Bake in the preheated oven for about 30 minutes, until the top is golden brown and your kitchen smells heavenly.
  • Allow the brownies to cool a bit before slicing. Serve and enjoy the rich, nutty, and chewy texture!

Recipe Video


  • Room Temperature Ingredients: Make sure your eggs and butter are at room temperature before you start. This helps them blend more easily, giving you a smoother batter.
  • Quality Peanut Butter: Use good quality, natural peanut butter. Avoid ones with added sugars or oils, especially palm oil, for a richer, more authentic peanut flavor.
  • Chocolate Choices: If you’re adding chocolate pieces, I really think that semi-sweet or dark chocolate works best. They add a nice contrast to the sweetness of the brownie.
  • Don’t Overbake: Brownies continue to cook a little after you take them out of the oven. So, if the toothpick comes out with a few crumbs, they’re done. Overbaking can make them dry.
  • Baking Dish Prep: Grease your baking dish or line it with parchment paper for easy removal of the brownies. The parchment paper also makes clean-up a breeze.

Nutrition Facts

  • Total number of serves: 9
  • Calories: 370kcal
  • Carbohydrates: 33g
  • Protein: 3g
  • Fat: 11g

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In Conclusion

easy Reddit peanut butter brownies recipe

These Reddit peanut butter brownies? Total winners, I must say! They’re the perfect combo of fudgy and chewy, and the best part? They’re a breeze to whip up. So, get your sweet tooth ready for a seriously delicious treat and give this alternative brownie recipe a try.

By the way, if you’re loving these peanut butter brownies, you’ve got to check out another gem of the recipe I found on Reddit – the 140-Year-Old Date Filled Oatmeal Cookies recipe. It’s a delightful blast from the past that is not only delicious but also nutritious, so, check it out now!

1 thought on “Baking the Good Old Peanut Butter Brownies Recipe Found On Reddit”

  1. Ah, yes, because when I’m seeking culinary wisdom, the first place I turn to is Reddit, where every recipe is a gourmet masterpiece guaranteed to impress Gordon Ramsay himself. Who needs cookbooks or professional chefs when you’ve got the unparalleled expertise of anonymous internet users? But, this one was actually ok, but I made few changes.


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About Jen Evansy

Nutritionist, researcher, avid home cook, and writer interested in everything nutrition and food-related. Striving to inform, encourage, and inspire all the readers to make healthy and informed choices when it comes to cooking, food, diet, and nutrition.