Name: Sweet Potato Brownies Recipe
Prep time: 20 min
Cook time: 40 min
Total time: 1 h
Cuisine: American
Ingredients: 2 medium (450 g) cooked sweet potatoes (preferably white Japanese sweet potatoes); 2 small (200 g) bananas; ½ cup (120 ml) plant-based milk; 1 ½ cup (130 g) ground oats (oat flour); ⅔ cup (150 g) sugar of choice (coconut sugar, date sugar, erythritol, or organic cane sugar); 8 tbsp (50 g) cocoa powder (Dutch-Process preferred); 5 tbsp (50 g) ground hemp seeds or any ground nuts/seeds; 1 tbsp cinnamon (optional); 2 tsp baking powder

Jump to Recipe· 3.9 from 44 reviews

If you’re on the hunt for a delicious way to indulge your chocolate cravings while sneaking in some wholesome goodness, this Sweet Potato Brownies Recipe is about to become your new favorite treat. These brownies are fudgy, gooey, and incredibly rich tasting, yet they’re made without any flour, oil, or refined sugars when you pick your sweeteners carefully. Naturally gluten-free and packed with plant-based nutrients from sweet potatoes and bananas, this recipe brilliantly balances decadence with health, making dessert both satisfying and refreshing in a way you didn’t expect.

Ingredients You'll Need

A white rectangular dish lined with light brown parchment paper holds one thick, even layer of dark brown chocolate batter being spread smoothly by a white spatula held by a woman's hand from the top left. The surface texture of the batter is slightly rough but smooth overall, filling the entire base of the dish. The dish is placed on a white marbled background. photo taken with an iphone --ar 4:5 --v 7

The magic of these brownies lies in the simplicity and purpose of each ingredient. From the creamy sweetness of ripe bananas to the earthy depth of cocoa powder, every component plays a crucial role in creating the perfect texture and flavor.

Sweet potatoes: The star ingredient; cooked to softness, they add natural sweetness, moisture, and a velvety smooth texture.
Bananas: Act as a natural sweetener and binder, enhancing the fruity foundation and contributing to the fudge-like consistency.
Plant-based milk: Keeps the batter smooth and into perfect mixing consistency while adding a hint of creaminess.
Ground oats: Provides structure; using oat flour keeps the recipe gluten-free and adds a subtle nutty undertone.
Sugar of choice: Sweetens the brownies naturally—coconut sugar or date sugar works beautifully for a deeper flavor.
Cocoa powder: Rich Dutch-Process cocoa leads to a deeply chocolatey, luscious taste that's central to these brownies.
Ground hemp seeds (or nuts/seeds): Give extra protein and a slight crunch while maintaining the moist texture.
Cinnamon (optional): Offers a warm spice note that perfectly complements the chocolate and sweet potato flavors.
Baking powder: Helps these brownies rise just enough to be thick and satisfying without being cakey.

How to Make Sweet Potato Brownies Recipe

Step 1: Prepare the Sweet Potatoes and Bananas

Start by cooking the sweet potatoes until fork-tender, either by microwaving them wrapped in a damp paper towel for a quick method or baking/boiling them if you prefer deeper flavor development. Meanwhile, have your ripe bananas ready to mash or blend, as they'll naturally sweeten the batter and keep everything moist.

Step 2: Preheat and Line Your Baking Pan

Set your oven to 350 degrees Fahrenheit (180 degrees Celsius) and line a 9”x6” pan with parchment paper. This clever step ensures your brownies won’t stick and makes cleanup a breeze. If you want thinner brownies, a larger pan like 8x8 works fine, but keep an eye on bake time.

Step 3: Blend Wet Ingredients First

Using a food processor, combine the cooked sweet potatoes, bananas, and plant-based milk. Blend until smooth, creating a luscious batter that's naturally sweet and velvety. This blending is key to achieving the gooey texture that sets these brownies apart.

Step 4: Add Dry Ingredients

Add your ground oats, sugar, cocoa powder, ground hemp seeds or nuts, cinnamon if using, and baking powder to the wet mixture. Blend again until you have a uniform, sticky batter. Don’t worry if it seems thick and sticky — that’s exactly the fudgy magic that makes these brownies so delightful.

Step 5: Bake to Perfection

Pour the batter into your lined pan, smoothing the top gently. Bake for 30 to 40 minutes, checking doneness with a toothpick inserted into the center — it should come out mostly clean, maybe a bit crumbly but not wet. Adjust baking time if using a different pan size, as thinner layers cook more quickly.

Step 6: Cool and Cut

Let the brownies cool for at least 20 to 30 minutes before slicing. This resting period helps them set up properly, making sure each piece holds together but still melts in your mouth with that signature fudginess that makes this Sweet Potato Brownies Recipe so irresistible.

How to Serve Sweet Potato Brownies Recipe

Eight thick, square brownie pieces are placed closely together on a white marbled surface, arranged in two neat columns and four rows. Each brownie has a rich, dark brown, dense base with a shiny, glossy layer of melted chocolate on top, decorated with small chocolate chips and bits scattered over the surface. To the top left of the brownies, there is a small white ramekin filled with smooth melted chocolate and a wooden spatula resting inside. The background and surface around the brownies are clean with a white marbled texture. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

Simple is best to let the rich chocolate flavor shine. A dusting of powdered sugar, a drizzle of vegan chocolate sauce, or a sprinkle of chopped nuts add subtle texture and visual appeal. Feel free to add fresh berries or a dollop of plant-based whipped cream for an elegant touch.

Side Dishes

Pair these brownies with a scoop of dairy-free vanilla ice cream or a cup of freshly brewed coffee or herbal tea. The creamy coldness of the ice cream balances the warm, dense texture perfectly, turning snack time into an indulgent event.

Creative Ways to Present

For parties, serve square brownie bites on a platter with popsicle sticks for easy grabbing. Layer brownie pieces with coconut yogurt and fresh fruit in clear glasses to create beautiful, layered parfaits that wow both eyes and taste buds.

Make Ahead and Storage

Storing Leftovers

These brownies keep well at room temperature in an airtight container for up to 3 days, or refrigerated for a week. The flavors actually deepen if you let them rest overnight, making day two even more delicious!

Freezing

You can freeze leftover brownies by wrapping them individually in plastic wrap and placing them in a freezer-safe bag. They’ll stay good for up to 3 months. Thaw them at room temperature or warm gently before serving to recapture their fudgy texture.

Reheating

Warm brownies slightly in the microwave for about 15 seconds or in a low oven to revive their gooey softness. If paired with vegan chocolate sauce or ice cream, you'll transform leftovers into an even more crave-worthy treat.

FAQs

Can I use orange sweet potatoes instead of white?

Yes, you can swap orange sweet potatoes, but because they're less starchy, you may want to increase your oat flour amount slightly (up to 2 cups) to maintain the perfect brownie texture. The flavor will be a bit sweeter and more vibrant too.

Is it possible to make these brownies refined sugar-free?

Absolutely! Using natural sweeteners like coconut sugar or date sugar makes these brownies refined sugar-free. You can even try keto-friendly sweeteners like erythritol if you want to keep sugar very low.

What if I don’t have ground hemp seeds? Can I use something else?

Sure! Ground nuts like almonds or walnuts, or other seeds like sunflower or flaxseed meal, can be great substitutes. They add similar protein content and a pleasant texture without altering the flavor drastically.

How do I know when the brownies are done?

The best test is the toothpick method. Insert a toothpick into the center – it should come out mostly clean or with a few moist crumbs. The brownies should feel set around the edges but still slightly soft in the middle for that gooey appeal.

Can I make this recipe vegan?

This Sweet Potato Brownies Recipe is naturally vegan when using plant-based milk. Just make sure your sugar choice is vegan-friendly, as some sugars are processed with bone char.

Final Thoughts

Once you try this Sweet Potato Brownies Recipe, you’ll wonder why you ever settled for regular brownies. It’s such a joy to enjoy a treat that’s both indulgent and nourishing, full of complex flavors and fantastic texture. Whether you’re making dessert for the family or treating yourself to a cozy night in, these brownies deliver comfort and wow-factor in every bite. Give them a shot—you might just find your new go-to chocolate fix!

Sweet Potato Brownies Recipe

Ingredients You'll Need

How to Make Sweet Potato Brownies Recipe