These vegan sweet potato brownies are fudgy, deeply chocolatey, and made with just six simple ingredients - no eggs, no dairy, and absolutely no one will guess there's a vegetable hiding in there.

Stack of vegan sweet potato brownies on parchment paper

Key Ingredients & Substitutions

Mashed sweet potato. The star of the show - it adds natural sweetness, moisture, and acts as a binder in place of eggs. You can use freshly roasted and mashed sweet potato or canned sweet potato purée as a shortcut.
Dark chocolate. Use at least 70% cacao for the richest, most intense brownie flavor. Double-check the label to make sure it's dairy-free - most good-quality dark chocolate is.
Maple syrup. The primary sweetener here. Agave nectar or date syrup both work as 1:1 swaps if that's what you have on hand.
Peanut butter. Smooth peanut butter adds body and a subtle nuttiness that pairs beautifully with chocolate. Almond butter or sunflower seed butter are great substitutes for a nut-free version.
Coconut flour. Keeps the brownies gluten-free while giving them structure. If you don't have coconut flour, use ¾ cup almond flour instead - coconut flour is much more absorbent, so the ratio changes.
Salt. Just a pinch, but it makes a real difference in balancing the sweetness and deepening the chocolate flavor.

Helpful Tips

Blend, don't just stir. Using a blender or food processor ensures the batter is completely smooth with no sweet potato chunks. If you're mixing by hand, mash the potato very thoroughly before combining.
Use room-temperature sweet potato. Cold mashed sweet potato can cause the melted chocolate to seize up and turn grainy. Let it sit at room temperature for a few minutes before adding it to the blender.
Line your pan. Line the brownie tin with parchment paper with a slight overhang on the sides - this makes lifting the finished brownies out a breeze and keeps them intact.
Don't overbake. The biggest brownie mistake is leaving them in too long. Pull them from the oven when a toothpick inserted in the center comes out with a few moist crumbs, not completely dry.
Let them rest. These brownies firm up as they cool. Give them at least 15 minutes before slicing - or, for the cleanest cuts, cool completely and refrigerate for an hour first.

Variations

Almond butter brownies. Swap the peanut butter for almond butter for a slightly milder, more neutral flavor that lets the chocolate shine even more.
Chocolate chip swirl. Fold a small handful of vegan chocolate chips into the batter just before pouring into the pan, then press a few extra on top for a bakery-style finish.
Walnut brownies. Stir in ½ cup of roughly chopped walnuts or pecans for a satisfying crunch in every bite.
Spiced brownies. Add a pinch of cinnamon and a tiny pinch of cayenne to the batter for a Mexican hot chocolate-inspired twist.
Mocha brownies. Dissolve 1 teaspoon of instant espresso powder into the melted chocolate before blending - the coffee flavor amplifies the chocolate and adds a subtle depth.
Rocky road. Top the batter with vegan mini marshmallows and crushed graham crackers before baking for a fun, shareable version.

Serving Ideas

These brownies are wonderful on their own at room temperature, but they really shine served slightly warm with a scoop of vegan vanilla ice cream melting over the top. For a dessert spread, pair them alongside vegan chocolate avocado cookies and a bowl of fresh raspberries - the tartness cuts through the richness beautifully. For Halloween, our vegan halloween cupcakes are a festive alternative, and our vegan Halloween candy guide has all the best store-bought options. For Valentine's Day, they'd fit right in on our full list of vegan Valentine's Day desserts. A dusting of cocoa powder or a drizzle of melted dark chocolate takes them from casual snack to dinner-party dessert in seconds.

Storing & Freezing

Store leftover brownies in an airtight container in the refrigerator for up to 5 days. They taste even better on day two once the flavors have settled - warm individual squares in the microwave for 20-30 seconds before serving. These brownies also freeze exceptionally well. Wrap each square in plastic wrap and store in a freezer-safe bag or container for up to 2 months. Thaw at room temperature for an hour or microwave straight from frozen for about 45 seconds.

Also worth trying: our pumpkin seed butter.

Close-up of fudgy vegan sweet potato brownies stacked on a plate

More Vegan Chocolate Treats

If you loved these brownies, here are a few more chocolatey recipes to try:

Recipe