Name: 4 Ingredient Peanut Butter Brownies
Prep time: 10 min
Cook time: 30 min
Yield: 9 to 12 bars

Rich in peanut butter flavor, these super chewy blonde brownies are made without any dairy or grains and they're naturally gluten free.

These incredibly simple, fudgy and chewy brownies are a great rice-free alternative to our classic gluten free peanut butter brownies. They're made with peanut butter, brown sugar, eggs, and finely ground blanched almond flour plus a few optional chocolate chips.

Baking with nut butter like peanut butter and Nutella

I love baking with nut butter in general, and my favorites tend to be peanut butter and Nutella, the chocolate hazelnut spread. Whenever I publish a recipe that uses peanut butter, I'm asked if you can use Nutella, which is peanut-free.

Whenever I publish a recipe that uses Nutella, I'm asked if you can use another nut butter, like peanut butter. But they're sadly just not interchangeable in that way, but I hadn't figured out quite why—until now.

Nothing illustrates the difference between baking with peanut butter (or almond butter) and baking with Nutella better than a comparison of this recipe for 4 ingredient peanut butter brownies with our 3 ingredient Nutella brownies.

Rich in peanut butter flavor, these super chewy blonde brownies are made without any dairy or grain and they're naturally gluten free.

Baking with peanut butter

I always bake with “no-stir peanut butter,” which just means that it's the kind that doesn't need to be stirred after opening. It typically has some oil and some sugar added to it, which creates a perfectly blended, emulsified nut butter.

The drippy kind of natural peanut butter, which contains only peanuts and salt, is much trickier to use in baking. But even the less pure, no-stir peanut butter varieties are mostly peanuts (unlike Nutella—scroll down for that discussion).

Peanut butter is a great substitute for flour, often, like in our flourless chocolate peanut butter muffins, which are rich and flavorful, but still have a light and tender crumb like a proper muffin.

Peanut butter is also the base of classic flourless peanut butter cookies, which have no flour of any kind, but still have that crisp outside and chewy inside that some of the best cookies have. They're even made with similar ingredients to these 4 ingredient peanut butter brownies (sugar, eggs, peanut butter, with a bit of baking powder).

The main difference between these other peanut butter recipes and this brownie recipe is the addition here of finely ground, blanched almond flour. It creates that fudgy, chewy texture of the best brownies.

Rich in peanut butter flavor, these super chewy blonde brownies are made without any dairy or grains and they're naturally gluten free.

Baking with Nutella

Nutella has nothing short of a cult following. I had never even heard of it until I spent a semester in Spain when I was in my junior year of college. I saw children eating it spread on toast for breakfast, and was somehow completely confused by it when they explained it to me.

Nutella is a great peanut-free alternative for households where someone is allergic to peanuts. It's not at all the same as peanut butter, though.

I developed this recipe when, out of curiosity, I tried replacing the Nutella in some of our simplest Nutella recipes, like our 3 ingredient Nutella cookies, with peanut butter 1 for 1. I had a feeling that it wouldn't work, but I had been asked so many times over the years I just had to try it.

Even though the recipe has no added oil, the natural oils in the peanut butter leaked out during baking and essentially the cookies and brownies fried in their own oil. The result was a greasy, dense and sadly inedible mess.

Hazelnuts are not that different than peanuts or almonds in baking, so why the dramatic difference? Well, I finally realized that the first ingredient in Nutella is sugar.

Sugar isn't just for sweetening baked goods. It's a tenderizer, too, which is why low-fat baked goods often have so much sugar. So by combining sugar (brown sugar in this recipe) with peanut butter, we're able to mimic the behavior of Nutella in this recipe—and probably in other recipes that are developed with Nutella instead of another nut butter.

Rich in peanut butter flavor, these super chewy blonde brownies are made without any dairy or grains and they're naturally gluten free.

Ingredients and substitutions

Egg-free: There are 3 eggs in this recipe, and the recipe itself only contains 4 essential ingredients. I'm afraid you can't make these egg-free.

Peanuts: In place of peanut butter, almond or cashew butter would probably work really well (and have a more neutral flavor profile, making these more like blondies than peanut butter brownies). The ingredient list specifies “no-stir” peanut butter, which is the type of peanut butter that is fully integrated the moment you open the jar, with no need to stir.

Almond flour: Be sure you are using blanched almond flour, not almond meal which is more coarsely ground and made from almonds that still have their skins intact. I like Honeyville brand almond flour or almond flour from nuts.com.

You can actually make this recipe with oat flour in place of almond flour. Just grind certified gluten free old fashioned rolled oats in a blender until a smooth powder forms. I find that a blender works better than a food processor for grinding oats. You could also try using finely ground hazelnut flour.

Chocolate Chips: You can leave out the chocolate chips entirely, or replace them with another type of chip or even chopped nuts. White chocolate chips would be excellent.

Sugar: Swerve brand non-sugar sweeteners makes a brown sugar variety. Swerve and other alternative sugars do tend to be drying to baked goods, so you might need to add a bit of milk or water to reach the desired consistency in the raw batter.

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