High Fiber No Bake Chocolate Brownie Protein Bars (with Dates & Walnuts)
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These No Bake Chocolate Brownie Protein Bars with dates and walnuts are about to become your new favorite snack! Thick, fudgy, naturally sweetened with Medjool dates, and loaded with chocolate, crunchy walnut pieces, and a serious boost of protein and fiber in every bite. They taste like straight-up brownie batter but they’re packed with whole food ingredients that actually keep you full for hours.
Can’t get enough no-bake chocolate treats? You’ll also love these Chocolate Peanut Butter Protein Bars and these Healthy No-Bake Chocolate Peanut Butter Oatmeal Bars!

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Why Your Sweet Tooth Will Love These No Bake Chocolate Brownie Protein Bars
- Thick, fudgy, and ridiculously chocolatey. Every bite tastes like a rich brownie, but with real ingredients you can feel great about.
- Naturally sweetened with Medjool dates. No refined sugar needed. The dates give you that chewy brownie-batter texture and all the sweetness you want.
- About 13 grams of protein and 9 grams of fiber per bar. These high fiber no bake protein bars aren’t just a treat. They keep you full and satisfied!
- Ready in about 15 minutes of hands-on time. Toss everything in the food processor, press it in a pan, and let the fridge handle the rest.
- Crunchy walnuts in every single bite. They add the best texture contrast to all that fudgy chocolate goodness.
- No oven, no baking. Mix, press, chill, and you’ve got the most addictive bars in your fridge!
- This brownie‑walnut beauty joins the Protein Bar Series lineup of thick, fudgy, no bake protein bars.

Ingredients for No Bake Date Brownie Bars
Here’s what you need, and the list is beautifully simple!
Brownie Walnut Base
- 1 1/2 cups pitted Medjool dates (12 to 14) for natural sweetness and that chewy brownie texture. Soak them in warm water for 10 minutes if they’re not already soft.
- 1 cup walnuts for crunch, healthy fats, and extra fiber.
- 2 options: 1/2 cup natural peanut butter or almond butter for creaminess and richness. Use the drippy kind if you can. Or for more protein add 1 scoop peanut butter protein. Protein gain: ~3–5g per batch; it adds protein without adding fat or bulk (Texture impact: slightly firmer, in a good way)
- 2 scoops (44g) Premier Protein Chocolate + Fiber powder for protein and an extra 8 grams of fiber in the whole batch.
- 2 tablespoons cocoa powder for that deep, rich chocolate flavor.
- 1 tablespoon coconut flour to help absorb moisture and keep the bars firm.
- 1 teaspoon psyllium husk powder (optional) adds about 2 extra grams of soluble fiber.
- 1 teaspoon vanilla extract.
- Pinch of salt. Don’t skip this! It makes all the chocolate flavors pop.
- 1/3 cup mini chocolate chips because more chocolate is always a good idea.
Topping (Optional)
- Melted chocolate for drizzling
- Chopped or crushed walnuts
- Flaky sea salt
Also check out these No Bake Chocolate Oat Bites if you’re in the mood for more healthy chocolate snacks!

How to Make No Bake Chocolate Brownie Protein Bars
- Soften the dates if needed. If your dates aren’t already soft and sticky, soak them in warm water for 10 minutes, then drain well.
- Blend the base. Add 1 1/2 cups pitted Medjool dates, 1/2 cup nut butter, 1 teaspoon vanilla, 2 scoops (44g) protein powder, 2 tablespoons cocoa powder, 1 teaspoon psyllium husk powder (if using), and a pinch of salt to a food processor. Process until it forms a thick, sticky brownie-like dough.
- Check the texture. Too soft? Add 1 tablespoon coconut flour. Too dry? Add 1 to 2 teaspoons water or milk of choice.
- Fold in the good stuff. Add 1 cup walnuts and 1/3 cup mini chocolate chips to the food processor and pulse a few times until they’re folded in with chunky pieces throughout.
- Press into the pan. Line a 9×5 loaf pan with parchment paper. Transfer the dough and press it firmly into an even layer. Really pack it in!
- Chill until firm. Refrigerate for at least 1 to 2 hours, then slice into 6 bars.
- Add toppings if desired. Drizzle with melted chocolate, scatter chopped walnuts on top, and finish with a pinch of flaky sea salt. So good!

Nutrition Per Bar (Makes 6 Bars)
Based on Premier Protein + Fiber powder (25g protein per 2 scoops & 1 scoop peanut butter powder if using instead)
- Calories: ~410
- Protein: ~13g if using peanut butter, 17-18g if using peanut butter protein powder
- Carbs: ~47g
- Fiber: ~9g
- Sugar (natural from dates): ~30g
- Fat: ~22g | Saturated Fat: ~3g
How to Boost the Protein in Your Brownie Bars
Want to bump these up even higher? Here are a few easy ways:
- Add 1 extra scoop of peanut butter protein powder. That’s about 3-5 extra grams of protein per bar. The texture stays fudgy and soft.
- Toss in 2 to 3 tablespoons of hemp seeds. They add 6 to 9 grams of protein to the batch plus healthy fats and minerals. You won’t even taste them!
- Add 2 tablespoons of collagen peptides. That’s 10 extra grams of protein for the batch with zero texture change.
- Best combo? 1 extra scoop protein powder plus 2 tablespoons hemp seeds gets you to about 16 grams of protein per bar without changing the taste or texture at all.
Why These No Bake Brownie Bars Are Loaded with Fiber
These high fiber no bake protein bars pack in fiber from multiple whole food and supplemental sources, which is why they keep you full so much longer than regular snack bars.
- Premier Protein + Fiber powder adds 8 grams of fiber to the whole batch.
- Psyllium husk adds about 2 grams of soluble fiber.
- Medjool dates contribute natural fiber plus that chewy brownie texture.
- Coconut flour is one of the highest-fiber flours out there.
- Walnuts bring whole food fiber plus omega-3 fatty acids.
All together, each bar has about 9 grams of fiber. That’s supporting fullness, digestion, and steady energy, all while tasting like a rich, fudgy brownie!
Tips for the Best Chocolate Brownie Protein Bars
- Make sure your dates are soft. I’m telling you, this makes or breaks the texture. If they’re dry or stiff at all, the 10-minute warm water soak changes everything. You want them squishy and pliable before they hit the food processor.
- Press the dough FIRMLY into the pan. The tighter you pack these, the better they hold together when you slice them. Use the bottom of a measuring cup or your hands and really push it down. Don’t be gentle!
- Let them chill completely before slicing. I know it’s tempting to cut into them early, but you’ll get much cleaner slices after a full 1 to 2 hours in the fridge. Patience pays off here 🙂
- Taste the dough before pressing! Want it sweeter? Add a couple more dates. More chocolatey? Another tablespoon of cocoa. You’re the boss of this recipe.
If you love protein-packed chocolate treats, these No-Bake High-Protein Snickers Bars are also incredible!
How to Store These Bars
Store in an airtight container in the refrigerator for up to 10 days. They actually taste even better after a day because the flavors meld together.
- Refrigerator: Up to 10 days in an airtight container. They stay fudgy and sliceable.
- Freezer: Wrap individual bars in parchment paper and place in a freezer bag for up to 3 months. Thaw in the fridge or let them sit at room temperature for 10 to 15 minutes.
- Room temperature: They’ll soften up after about an hour, especially on warm days. Best kept cold for the cleanest texture.
Tasty Variations for Healthy Chocolate Protein Bars
- Almond butter version: Swap the peanut butter for almond butter. The flavor is a little milder and pairs beautifully with the dates and cocoa.
- Pecan swap: Use pecans instead of walnuts for a slightly sweeter, buttery crunch.
- Double chocolate: Add an extra tablespoon of cocoa powder and use dark chocolate chips instead of semi-sweet. For serious chocolate lovers only!
- Nut-free option: Replace the walnuts with sunflower seeds and use sunflower seed butter instead of peanut butter. Still fudgy and delicious.
- Coconut twist: Fold in 2 tablespoons of shredded coconut along with the walnuts and chips. Toast it first for even better flavor!

No Bake Chocolate Brownie Protein Bars FAQs
Can I Use a Different Protein Powder?
Yes, any chocolate protein powder works here. The fiber content will be lower if you don’t use a fiber-added powder like Premier Protein + Fiber, but the bars will still taste great. Whey, plant-based, and casein all work. Just know that different powders absorb moisture differently, so you may need to adjust with a splash of milk or a bit more coconut flour.
Do These No Bake Date Brownie Bars Need to Stay Refrigerated?
Yes, these bars hold their shape best when kept cold. At room temperature, the nut butter and dates soften and the bars get fudgier and harder to slice. They’re still safe to eat at room temp for a few hours, but the fridge gives you the best texture.
Can I Make These Without Walnuts?
Absolutely! Leave them out for a smoother brownie bar, or swap in pecans, almonds, or sunflower seeds for a different crunch. The base holds together great with or without nuts.
How Long do these Healthy Chocolate Protein Bars Last?
Up to 10 days in the refrigerator and up to 3 months in the freezer. They stay fresh and fudgy when stored in an airtight container. Make a batch on the weekend and you’re set for the whole week!

So, are you ready to whip up a batch of these thick, fudgy, chocolate-loaded no bake brownie protein bars? Grab your dates, fire up the food processor, and let’s make something incredible! Make a batch and I promise they’ll disappear before you know it.
And that’s another delicious stop in my no bake Protein Bar Series — thanks for snacking your way through it with me. Happy snacking!
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More No Bake Treats to Try
- Chocolate Peanut Butter Protein Bars (No Bake)
- Healthy No-Bake Chocolate Peanut Butter Oatmeal Bars
- No-Bake High-Protein Snickers Bars
- Healthy Nut and Fruit Granola Bars
- No Bake Chocolate Oat Bites
- No Bake Fudgy Dark Chocolate Coconut Almond Brownie Bars
No Bake Chocolate Brownie Protein Bars with Dates and Walnuts
Equipment
- Food processor
- 9x5 loaf pan
- Parchment paper
- Microwave or double boiler (for chocolate drizzle, optional)
Ingredients
Brownie Walnut Base
- 1 ½ cups pitted Medjool dates (12 to 14), softened if needed
- 1 cup walnuts
- ½ cup natural peanut butter or almond butter or for 3-5 more grams of protein per bar, add peanut butter protein powder (22 g)
- 2 scoops (44g) Premier Protein Chocolate + Fiber powder
- 2 tablespoons cocoa powder
- 1 tablespoon coconut flour
- 1 teaspoon psyllium husk powder optional
- 1 teaspoon vanilla extract
- Pinch of salt
- ⅓ cup mini chocolate chips
- Melted chocolate for drizzling Optional
- Chopped or crushed walnuts Optional
- Flaky sea salt Optional
Instructions
Make the Brownie Base
- Soften dates if needed by soaking in warm water for 10 minutes, then drain well.
- Add 1 1/2 cups pitted Medjool dates, 1/2 cup nut butter or 1 scoop of peanut butter protein powder (22g), 1 teaspoon vanilla, 2 scoops (44g) protein powder, 2 tablespoons cocoa powder, 1 teaspoon psyllium husk powder (if using), and a pinch of salt to a food processor. Process until a thick, sticky brownie-like dough forms.
- Check the texture. If too soft, add 1 tablespoon coconut flour. If too dry, add 1 to 2 teaspoons water or milk.
- Add 1 cup walnuts and 1/3 cup mini chocolate chips. Pulse a few times until folded in with chunky pieces throughout.
Assemble and Chill
- Line a 9x5 loaf pan with parchment paper, leaving overhang on the sides.
- Transfer dough to the pan and press firmly into an even layer.
- Refrigerate for 1 to 2 hours until firm, then slice into 6 bars.
Add Toppings (Optional)
- Drizzle with melted chocolate, scatter chopped walnuts on top, and finish with a pinch of flaky sea salt.
Notes
- Storage: Store in an airtight container in the refrigerator for up to 10 days or freeze individually wrapped bars for up to 3 months.
- Protein boost: Add 1 extra scoop peanut butter protein powder plus 2 tablespoons hemp seeds to reach about 16g-20 protein per bar.
- Dates: Make sure your dates are soft before processing. If they're dry, the 10-minute warm water soak makes a big difference.

