Chocolate Hazelnut Protein Spread Brownies – Fudgy, Easy, and High-Protein
These brownies are for days when you want something rich and chocolatey but still packed with a bit of nutrition. They’re made with a chocolate hazelnut protein spread, which delivers that nostalgic nutty flavor and a hit of protein in every bite. The texture lands between fudgy and chewy, with a glossy top if you don’t overmix.
You can whip these up in one bowl, no stand mixer required. Perfect for meal prep, post-workout treats, or simply a more balanced dessert.
Chocolate Hazelnut Protein Spread Brownies - Fudgy, Easy, and High-Protein
Ingredients
- Chocolate hazelnut protein spread (store-bought or homemade; choose one that’s not overly sweet)
- All-purpose flour (or a 1:1 gluten-free baking blend)
- Unsweetened cocoa powder (Dutch-process or natural)
- Brown sugar (light or dark)
- Large eggs
- Neutral oil (avocado, canola, or light olive oil)
- Vanilla extract
- Espresso powder (optional but recommended)
- Baking powder
- Salt
- Dark chocolate chips or chopped dark chocolate (optional for extra gooey pockets)
- Chopped toasted hazelnuts (optional for crunch)
Instructions
- Preheat and prep. Heat your oven to 350°F (175°C). Line an 8x8-inch (20x20 cm) metal baking pan with parchment, leaving a slight overhang for easy lifting. Lightly grease the parchment.
- Warm the spread slightly. If your chocolate hazelnut protein spread is stiff, microwave it in a bowl for 15–20 seconds to make it easier to stir. You want it smooth and spreadable, not hot.
- Mix the wet ingredients. In a large bowl, whisk together the chocolate hazelnut protein spread, brown sugar, eggs, oil, and vanilla until glossy and fully combined. This takes about 30–45 seconds of steady whisking.
- Combine the dry ingredients. In a separate bowl, whisk flour, cocoa powder, baking powder, espresso powder, and salt. This helps prevent clumps and ensures even mixing.
- Bring the batter together. Add the dry ingredients to the wet. Use a spatula to fold gently until just combined. Stop as soon as the flour disappears. Do not overmix or the brownies will turn cakey.
- Add mix-ins. Fold in dark chocolate chips and chopped hazelnuts if using. Reserve a small handful to sprinkle on top for a pretty finish.
- Pan and smooth. Scrape the batter into the lined pan. It will be thick. Spread it into an even layer with a spatula. Sprinkle the reserved chocolate and hazelnuts over the top.
- Bake. Bake for 18–24 minutes, depending on your oven and pan. Look for set edges and a center that’s slightly soft. A toothpick should come out with moist crumbs, not wet batter.
- Cool before slicing. Let the brownies cool in the pan on a rack for at least 30–45 minutes. Lift out using the parchment and cut into squares with a sharp knife. Wipe the knife between cuts for clean edges.
- Finishing touch (optional). Sprinkle a pinch of flaky salt on top right after slicing to enhance the chocolate and hazelnut notes.
Why This Recipe Works
Traditional brownies rely on butter and sugar for flavor and texture. Here, a chocolate hazelnut protein spread steps in to do double duty: it adds fat for fudginess and protein for a more satisfying bite.
A small amount of oil keeps the crumb tender without making the brownies greasy. Brown sugar locks in moisture and brings a subtle caramel note, while cocoa powder deepens the chocolate flavor without tipping the batter into bitterness. Finally, a touch of espresso powder and vanilla brightens everything, making the chocolate taste bigger and rounder.
Shopping List
- Chocolate hazelnut protein spread (store-bought or homemade; choose one that’s not overly sweet)
- All-purpose flour (or a 1:1 gluten-free baking blend)
- Unsweetened cocoa powder (Dutch-process or natural)
- Brown sugar (light or dark)
- Large eggs
- Neutral oil (avocado, canola, or light olive oil)
- Vanilla extract
- Espresso powder (optional but recommended)
- Baking powder
- Salt
- Dark chocolate chips or chopped dark chocolate (optional for extra gooey pockets)
- Chopped toasted hazelnuts (optional for crunch)
Step-by-Step Instructions
- Preheat and prep. Heat your oven to 350°F (175°C).
Line an 8×8-inch (20×20 cm) metal baking pan with parchment, leaving a slight overhang for easy lifting. Lightly grease the parchment.
- Warm the spread slightly. If your chocolate hazelnut protein spread is stiff, microwave it in a bowl for 15–20 seconds to make it easier to stir. You want it smooth and spreadable, not hot.
- Mix the wet ingredients. In a large bowl, whisk together the chocolate hazelnut protein spread, brown sugar, eggs, oil, and vanilla until glossy and fully combined.
This takes about 30–45 seconds of steady whisking.
- Combine the dry ingredients. In a separate bowl, whisk flour, cocoa powder, baking powder, espresso powder, and salt. This helps prevent clumps and ensures even mixing.
- Bring the batter together. Add the dry ingredients to the wet. Use a spatula to fold gently until just combined.
Stop as soon as the flour disappears. Do not overmix or the brownies will turn cakey.
- Add mix-ins. Fold in dark chocolate chips and chopped hazelnuts if using. Reserve a small handful to sprinkle on top for a pretty finish.
- Pan and smooth. Scrape the batter into the lined pan. It will be thick.
Spread it into an even layer with a spatula. Sprinkle the reserved chocolate and hazelnuts over the top.
- Bake. Bake for 18–24 minutes, depending on your oven and pan. Look for set edges and a center that’s slightly soft.
A toothpick should come out with moist crumbs, not wet batter.
- Cool before slicing. Let the brownies cool in the pan on a rack for at least 30–45 minutes. Lift out using the parchment and cut into squares with a sharp knife. Wipe the knife between cuts for clean edges.
- Finishing touch (optional). Sprinkle a pinch of flaky salt on top right after slicing to enhance the chocolate and hazelnut notes.
Storage Instructions
Store brownies in an airtight container at room temperature for up to 3 days.
For longer storage, refrigerate up to 1 week; the chill makes them extra fudgy. You can also freeze them for up to 2 months. Wrap individual squares tightly and thaw at room temperature or microwave in 10–15 second bursts. Avoid leaving them uncovered or they’ll dry out quickly.
Why This is Good for You
These brownies deliver more than just dessert energy.
The protein spread adds protein, which helps with satiety and muscle recovery, especially post-workout. Hazelnuts contribute heart-healthy fats and vitamin E. Using cocoa powder instead of only chocolate concentrates the polyphenols that give cocoa its antioxidant edge.
While they’re still a treat, the balance of protein, fiber from nuts, and moderated sugar makes them a smarter choice than standard brownies.
Pitfalls to Watch Out For
- Overbaking. The biggest mistake. Pull them when a toothpick shows moist crumbs. They’ll continue to set as they cool.
- Overmixing the batter. This develops gluten and pushes the texture toward cakey.
Fold gently and stop once the flour streaks vanish.
- Using an overly sweet spread. Some protein spreads are very sugary. That can make brownies cloying and throw off texture. Choose a balanced or lower-sugar spread.
- Wrong pan size. A 9×9 pan will produce thinner brownies and a shorter bake time; a glass pan can bake slower.
Keep an eye on doneness cues, not just the clock.
- Slicing too soon. Warm brownies crumble and seem underdone. Cooling sets the structure for clean cuts and a fudgy bite.
Alternatives
- Gluten-free: Use a 1:1 gluten-free baking flour. Let the batter rest 5 minutes before baking to hydrate the blend.
- Dairy-free: Most chocolate hazelnut protein spreads are dairy-free, but check labels.
Use dairy-free chocolate chips if adding.
- Lower sugar: Swap half the brown sugar for a granulated zero-calorie sweetener designed for baking. Texture may be slightly less moist, so don’t overbake.
- Extra protein: Whisk 1–2 tablespoons of a neutral-tasting chocolate protein powder into the dry mix and add 1–2 teaspoons extra oil to compensate. Watch doneness closely.
- No nuts: If hazelnuts are a concern, choose a chocolate protein spread without nuts and skip the chopped nuts.
Sunflower seed butter-based protein spreads work too.
- Flavor twists: Add orange zest, a splash of hazelnut liqueur, or swirl in 2–3 tablespoons extra protein spread on top before baking for a marbled look.
FAQ
Can I make these brownies without eggs?
Yes. Replace each egg with 3 tablespoons aquafaba (liquid from canned chickpeas) or 1 tablespoon ground flax mixed with 3 tablespoons water, rested 10 minutes. Expect a slightly denser, fudgier crumb.
Which cocoa powder is best?
Both natural and Dutch-process work.
Dutch-process gives a smoother, darker chocolate flavor. If using natural cocoa, keep the espresso powder—it boosts depth and balances acidity.
How do I know they’re done?
Edges will look set and slightly pull from the pan; the center will look soft but not jiggly. A toothpick should emerge with damp crumbs.
Start checking at 18 minutes and go in 2-minute increments.
Can I double the recipe?
Yes. Bake in a 9×13-inch metal pan and extend the bake time to 22–30 minutes. Watch for the same doneness cues rather than relying only on time.
What if my protein spread is very thick?
Warm it gently in the microwave in short bursts or set the jar in warm water for a few minutes.
A looser spread mixes more evenly and prevents overworking the batter.
Why didn’t I get a shiny, crackly top?
The shiny top often comes from well-dissolved sugar and slightly emulsified fats. Whisk the wet ingredients until glossy, and avoid excess flour. Adding a small handful of melted chocolate to the wet mix can also help.
Can I use whole wheat flour?
Use white whole wheat or a 50/50 mix with all-purpose.
The texture will be a touch heartier but still moist if you avoid overbaking.
How do I keep the brownies from sticking?
Use parchment with an overhang and lightly grease it. Let the brownies cool before lifting and slicing. A warm knife rinsed and wiped between cuts also helps.
Final Thoughts
Chocolate Hazelnut Protein Spread Brownies give you rich, bakery-level flavor with a better macro profile and an easy, one-bowl process.
Keep an eye on doneness, don’t overmix, and choose a balanced spread to get that perfect fudgy chew. Whether you enjoy them post-workout or with an afternoon coffee, these brownies hit that sweet spot between indulgent and smart.
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