Chocolate Peanut Butter Protein Bars (No-Bake)

Whenever possible, I get protein through whole food sources with recipes like my tuna salad, Mexican beef sliders, and sheet tray salmon. However, I don’t always have time to prepare something from scratch or to sit down for a meal.

Rather than abandon my goals completely, I keep these Paleoish homemade chocolate peanut butter protein bars on hand so that I can still get enough protein! I’ve searched for store-bought protein bars and found that they’re either full of sugars and additives, crazy expensive, or just don’t taste great. So, I came up with my own version and never looked back!

Ingredients You’ll Need

Please be sure to scroll down to the recipe card below for the complete details! 

• Coconut Flour + Almond Flour: This combination helps create a soft, chewy texture while keeping the bars naturally gluten-free. The coconut flour also helps absorb excess moisture so the bars hold their shape.
• Protein Powder: Vanilla whey isolate adds sweetness, flavor, and a serious protein boost. I like whey isolate for the smooth texture and digestibility, but you can experiment with your favorite protein powder. If you’re keeping things fully Paleo, choose a Paleo-friendly protein powder. If you’re embracing a little more “Paleoish” flexibility, any high-quality vanilla protein powder works great.
• Diamond Crystal Kosher Salt: A small amount of salt helps balance the sweetness and makes the chocolate and peanut butter flavors pop.
• Natural Peanut Butter: Rich, creamy peanut butter binds the bars together while adding healthy fats and plenty of flavor. For a fully Paleo version, swap the peanut butter for almond butter or cashew butter.
• Maple Syrup: This adds natural sweetness and helps create the perfect chewy texture while helping the bars hold their shape. A little goes a long way.
• Whole Milk: I use this to add moisture and bring the dough together. Start with the amount listed and add a little extra if needed. For a dairy-free option, use unsweetened almond milk or coconut milk.
• Puffed Quinoa: Quinoa is one of the few plant foods considered a complete protein, meaning it contains all nine essential amino acids your body needs. While the protein powder does most of the heavy lifting here, the puffed quinoa adds a little extra protein, nutrition, and texture, helping these bars feel more like a traditional store-bought protein bar, just made with simpler, real-food ingredients. Yupik is my favorite, but any puffed quinoa will work. Find it in the grain section or cereal section of your local grocery store. 
• Dark Chocolate: A layer of 70% dark chocolate takes these bars to the next level, adding richness without making them overly sweet. Dark chocolate is also a great source of antioxidants!

Possible Variations 

• Make Them Fully Paleo. Swap the peanut butter for almond butter or cashew butter, use a Paleo-friendly protein powder, and choose a dairy-free milk like almond or coconut milk.
• Use Different Nut Butters. Almond butter, cashew butter, or sunflower seed butter all work well and create slightly different flavors.
• Add Extra Crunch. Mix in chopped almonds, pecans, walnuts, coconut flakes, or cacao nibs for even more texture and healthy fats.
• Chocolate Lover’s Version. Stir a handful of dark chocolate chips into the bar mixture before chilling for double the chocolate goodness.
• Boost the Flavor. Add a teaspoon of cinnamon, a splash of vanilla extract, or a little espresso powder to enhance the chocolate flavor.
• Swap the Chocolate Coating. Instead of dipping the tops, drizzle the melted chocolate over the bars for a quicker finish.
• Add a Sprinkle of Sea Salt. A pinch of flaky sea salt on top of the chocolate makes these bars taste like a gourmet candy bar while balancing the sweetness.
• Try Different Protein Powders. Vanilla protein powder keeps the flavor classic, but chocolate protein powder creates a richer, brownie-like version. Or, use chocolate peanut butter protein. Just note that different protein powders absorb liquid differently, so you may need to adjust the milk slightly.

How to Make No-Bake Chocolate Peanut Butter Protein Bars

Before you begin, line a square baking pan with parchment paper. I always grease the bottom of the pan with a little avocado oil first to help the paper stick. Then, I leave a little excess hanging over both edges of the pan, creating a parchment paper sling, to make it easy to remove the bars!

1. Combine ingredients. Whisk all the dry ingredients except the puffed quinoa in a large bowl. Add the wet ingredients, and mix until a thick dough forms. I start with a spatula, then use my hands (making sure they’re gloved or oiled to prevent sticking) to really incorporate all the ingredients. Gently fold in the puffed quinoa, being careful not to crush it. 

2. Shape the mixture. Transfer the peanut butter mixture to the prepared pan, pressing it down evenly. Press enough to shape and mold the quinoa mixture but not so much that it becomes dense. The process is similar to making Rice Krispies treats!
3. Chill. Place the baking pan in the fridge, allowing the bars to set. 

4. Add chocolate. Slice the quinoa mixture into bars (I get 8 bars!). Then, melt the chocolate and dip the bars into the mixture. 
5. Set. Place the bars back in the baking dish, and chill them in the fridge long enough for the chocolate to set. 

My Top Tips for the Best Results 

• Adjust the milk as needed. Different protein powders absorb moisture differently. If the mixture feels dry or crumbly, add milk 1 tablespoon at a time until a thick dough forms.
• Press firmly into the pan. Really pack the mixture down to help the bars hold together after chilling. A flat measuring cup works great for creating an even layer.
• Use high-quality dark chocolate. Since the chocolate coating is a major flavor component, using a good-quality dark chocolate bar makes a noticeable difference.
• Adjust the chocolate. For a smoother chocolate coating that’s easier to drizzle, stir in a bit of coconut oil when melting.
• Cut after chilling. For the cleanest edges, let the bars chill completely before slicing and wipe your knife clean between cuts if needed.

How to Store 

These chocolate peanut butter bars are great for meal prep! 

Refrigerator: Store leftover chocolate peanut butter protein bars in an airtight container in the refrigerator for up to 1 week. If stacking multiple bars, place a piece of parchment paper between the layers to prevent them from sticking together.

Freezer: For longer storage, freeze the bars in a freezer-safe container for up to 3 months. I like to wrap them individually before freezing for an easy grab-and-go snack.

To Serve: Enjoy them straight from the refrigerator for a firmer texture, or let them sit at room temperature for a few minutes to soften slightly before eating.

More Paleoish Recipes

• Paleoish Gooey Butter Cake
• Paleoish Cheesecake Bars
• Bacon and Gruyere Egg Bites (Starbucks Copycat Recipe)
• Paleoish Shrimp Scampi Pasta Bake