Name: Vegan Peanut Butter Brownies Recipe
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: American
Ingredients: 1 cup plus 2 Tbsp old fashioned rolled oats (Certified gluten-free if needed); 1 teaspoon baking soda; ¼ teaspoon ground cinnamon (optional); ½ cup regular cocoa powder or raw cacao powder; ½ cup light brown sugar; ¾ cup peanut butter, salted (Smooth or crunchy); 2 teaspoons vanilla extract; ½ cup non-dairy milk; ⅓ cup maple syrup; ½ cup dairy-free chocolate chips, semi-sweet; ½ cup raw walnuts, roughly chopped

Jump to Recipe· 3.8 from 39 reviews

If you’ve been searching for a rich, indulgent treat that perfectly balances chocolatey goodness with the creamy, nutty burst of peanut butter—look no further. This Vegan Peanut Butter Brownies Recipe brings all that and more in a delightful, plant-powered package. It’s got that fudgy texture you crave, with the wholesome touch of oats and walnuts adding a subtle crunch and depth. Plus, it’s entirely dairy-free and made with simple pantry staples, making it an instant favorite whether you’re treating yourself or sharing with friends.

Ingredients You’ll Need

The image shows eight small white bowls and a measuring cup placed on a rustic baking tray with a worn metal look. At the top left is a bowl filled with beige rolled oats, next to it on the right is an empty white bowl. Below the oats bowl is a bowl with light brown sugar, and next to it on the right is a larger bowl of creamy peanut butter with a smooth texture. To the right of the peanut butter is a metal measuring cup with dark brown liquid inside. Beneath the sugar bowl is a bowl containing cocoa powder with a rich brown color, and next to it is a small white bowl with coarse chopped walnuts. Above the walnuts is a bowl filled with dark chocolate chips. In the center is a very small bowl of white baking powder or baking soda. The setup sits on a wooden surface, but the background is altered to have a white marbled texture. photo taken with an iphone --ar 4:5 --v 7

These ingredients are straightforward yet carefully chosen to build layers of flavor and texture that make these brownies unforgettable. Each component plays a vital role in creating the perfect bite—from the richness of peanut butter to the natural sweetness of maple syrup.

Old fashioned rolled oats (1 cup plus 2 Tbsp): Grinding these creates a hearty base that replaces flour and adds fiber and chewiness.
Baking soda (1 teaspoon): Helps the brownies rise just enough for a tender crumb without fluffiness.
Ground cinnamon (¼ teaspoon, optional): Adds a warm hint of spice that complements cocoa beautifully.
Regular cocoa powder or raw cacao powder (½ cup): Provides the deep, chocolatey backbone of this recipe.
Peanut butter, salted (¾ cup): Use your favorite smooth or crunchy style for peanut-packed richness.
Light brown sugar (½ cup): Offers gentle sweetness with a hint of molasses flavor.
Vanilla extract (2 teaspoons): Elevates all the flavors without overpowering—an essential finishing touch.
Non-dairy milk (½ cup): Choose almond, oat, or any plant milk to keep these brownies creamy and vegan.
Maple syrup (⅓ cup): Adds natural sweetness and moisture, balancing the cocoa’s bitterness.
Dairy-free chocolate chips, semi-sweet (½ cup): For melty pockets of chocolate throughout everyone will love.
Raw walnuts, roughly chopped (½ cup): Adds satisfying crunch and earthy flavor contrast.

How to Make Vegan Peanut Butter Brownies Recipe

Step 1: Preheat and Prepare Your Pan

First things first, get your oven warmed up to 350 degrees Fahrenheit. Line an 8×8 inch baking pan with parchment paper—it helps the brownies slide out effortlessly once baked and cooled.

Step 2: Create Your Oat Flour Base

Pop the rolled oats into a food processor and pulse until they reach the texture of coarse flour. Don’t worry if a few bigger pieces remain; they add wonderful bite. Then add the baking soda, cinnamon (if using), and cocoa powder to the oats, pulsing a few times to incorporate everything evenly. Transfer this dry mix to a mixing bowl for later.

Step 3: Blend the Wet Ingredients

Next, in your food processor (no need to clean it out), combine peanut butter, light brown sugar, vanilla extract, non-dairy milk, and maple syrup. Blend until the mixture is smooth and creamy, scraping down the sides as needed to ensure nothing is left untouched.

Step 4: Combine Wet and Dry for Thick Batter

Add the dry oat and cocoa blend back into the food processor with the wet mixture. Pulse just enough to combine everything into a thick, sticky batter. This is the magic stage that locks in the fudgy texture you’re after. Finally, gently fold in the chopped walnuts and dairy-free chocolate chips by hand—this ensures even distribution without overmixing.

Step 5: Bake to Perfection

Spread the brownie batter evenly in your lined pan. Pop it into the oven and bake for 28 to 32 minutes. To check if it’s done, insert a toothpick or knife in the center—if it comes out with a few moist crumbs but not wet batter, you’re golden.

Step 6: Cool and Slice

Once baked, let the brownies cool in the pan for 15 minutes to set. Then transfer them to a wire rack to cool completely. This cooling step is crucial because these brownies cut best when fully set, so wait patiently before slicing into 16 generous squares.

How to Serve Vegan Peanut Butter Brownies Recipe

A stack of five dark brown brownies with a rough, crumbly texture is shown, each layer filled with visible light tan walnut pieces. The edges of the brownies are slightly crispy with a moist, dense center. They are placed on light brown parchment paper over a white marbled surface, with another single brownie piece blurred in the background. The overall look is rich and chewy. photo taken with an iphone --ar 4:5 --v 7

Garnishes

Simple touches like a light dusting of powdered sugar or a drizzle of melted vegan chocolate elevate these brownies from everyday to special occasion. You can also sprinkle extra chopped walnuts or a pinch of flaky sea salt on top for unexpected bursts of flavor.

Side Dishes

Pair these brownies with a scoop of vegan vanilla ice cream or a dollop of coconut whipped cream for a decadent dessert experience. Fresh berries or sliced bananas can add a refreshing contrast to the rich peanut butter and chocolate flavor.

Creative Ways to Present

Thinking outside the box, try serving these brownies as part of a dessert platter with vegan caramel sauce, or cut them into neat mini squares for bite-sized party treats. Stack them with layers of jelly and vegan cream to create a quick peanut butter brownie trifle that’s sure to impress.

Make Ahead and Storage

Storing Leftovers

After cooling, store your Vegan Peanut Butter Brownies Recipe in an airtight container at room temperature for up to 3 days. The flavors actually deepen overnight, so leftovers taste even better the next day.

Freezing

If you want to keep them longer, these brownies freeze beautifully. Wrap them tightly in plastic wrap and place them in a freezer-safe container for up to 3 months. Thaw overnight in the fridge or at room temperature when ready to enjoy.

Reheating

To enjoy warm brownies, simply microwave individual squares for 10 to 15 seconds or heat gently in the oven at 300 degrees Fahrenheit for about 5 minutes. Pair with a scoop of vegan ice cream for the ultimate cozy treat.

FAQs

Can I substitute the peanut butter with another nut butter?

Absolutely! Almond or cashew butter work well, but keep in mind the flavor will change slightly. Peanut butter gives the richest, most classic taste to this Vegan Peanut Butter Brownies Recipe.

Do I need a food processor to make this recipe?

A food processor makes quick work of grinding the oats and blending the wet ingredients smoothly, but a high-powered blender or sturdy mixer can work too. If you don’t have either, finely ground oat flour and careful mixing by hand will do the trick.

Are these brownies gluten-free?

They can be, as long as you use certified gluten-free rolled oats. Double-check your cocoa powder and chocolate chips to ensure they don’t contain traces of gluten if that’s a concern.

Can I make these brownies nut-free?

This recipe relies on peanut butter and walnuts for flavor and texture, so nut-free substitutions are tricky. You might experiment with sunflower seed butter and seeds, but the texture and taste will differ considerably.

How fudgy are these Vegan Peanut Butter Brownies Recipe?

They are wonderfully fudgy with a slightly chewy texture thanks to the oats, and pockets of melted chocolate chips add gooey sweetness throughout. If you prefer cakier brownies, bake on the longer end and don’t forget the cooling step.

Final Thoughts

Honestly, this Vegan Peanut Butter Brownies Recipe is a total game changer when you want a dessert that’s both wholesome and indulgent. It’s approachable, uses pantry staples, and pleases everyone from vegan friends to chocolate lovers alike. Don’t hesitate to try this recipe—you’ll have luscious, dairy-free brownies that melt in your mouth and bring smiles every time.