This high protein granola recipe with protein powder takes one bowl, one pan, and about 5 minutes of actual hands-on work. The oven does everything else. Forty minutes later you have big, crunchy clusters with 9.8g of protein and only 0.4g of sugar per serving - and you didn't have to do anything complicated to get there.
I had just gotten a new sample pack of whey protein from Clean Simple Eats and immediately wanted to make granola with it. I'd made an egg white granola recently - the maple syrup version - and gotten completely hooked on homemade granola. But I wanted a protein version to actually fit the blog, so I got everything ready, mixed the dry ingredients, whipped the egg whites... and then made the mistake of adding the whey protein directly into the egg whites.
If you've ever added protein powder to yogurt and watched it turn watery, you already know what happened. The whipped egg whites went completely flat and liquid. Very sad situation. I ripped open another packet from the sample pack, this time mixed the protein straight into the dry ingredients where it belonged, and everything came together exactly right. Warm, crunchy clusters with that cozy toasted oat smell. I had mine plain as a snack - no milk, no yogurt, just straight from the pan - and it was really, really good. If you want more recipes in this same high protein breakfast and snack space, my protein blueberry scones are worth the save.
Why You Will Love This Recipe
- 9.8g of protein and 140 calories per ⅓ cup - from real ingredients, not a supplement-heavy formula.
- No added sugar. The 0.4g per serving comes naturally from the oats and nuts.
- Big, satisfying clusters that hold together. No loose crumbles at the bottom of the bag.
- One bowl, one pan. Mix, spread, bake, cool, done.
- Flexible. Vanilla or cinnamon protein powder both work, and you can swap the nuts based on what you have.
Ingredients for This High Protein Granola Recipe with Protein Powder
Most granola sticks together with oil and honey. This one uses whipped egg whites instead, which is what keeps it low fat. Protein powder handles both the sweetness and the protein.
See recipe card at the bottom of the page for the measurements!
- Rolled Oats are the base and the main crunch. Rolled oats hold their shape in a long, slow bake. the base and most of the chew. Quick oats bake up soft and powdery instead of giving you that thick, crunchy cluster texture.
- Sub: Certified gluten-free rolled oats. For extra protein, I swap in Zego Double Protein Oats.
- Puffed Rice Cereal makes the granola bigger and lighter for very few calories, so you get a full bowl without the calories of an all-oat granola.
- Sub: Puffed quinoa or puffed millet.
- Vanilla Whey Protein Powder adds the protein and sweetens the granola, so there's no added sugar or syrup. I use Clean Simple Eats Snickerdoodle Protein Powder, but their Vanilla is great too!
- Sub: A whey-casein blend like Quest Nutrition Vanilla Whey-Casein also works, and so does a plant-based vanilla like KOS Plant Protein Powder.
- TIP: Taste the dry mix before you add the egg whites. If your powder runs on the bland side, add a pinch of cinnamon or a tiny bit of stevia now.
- Chopped Peanuts and Cashews - fat, crunch, and a few extra grams of protein. Keep them roughly chopped, not fine - bigger pieces give you better texture in the clusters.
- Sub: Almonds, pecans or walnuts. Swap in pumpkin seeds or sunflower seeds for nut-free.
- Chia Seeds add fiber and soak up some of the egg white, which helps hold the clusters together.
- Sub: Ground flaxseed or hemp hearts.
- Egg Whites replace the oil and honey as the binder. This is what holds everything together and creates the cluster structure. Whisking them until foamy before adding them is what makes the coating even and light instead of wet and dense.
- Sub: Liquid egg whites from a carton work the same way.
- Vanilla Extract rounds out the protein powder flavor.
- Sub: Almond extract, or a pinch of cinnamon if you're using vanilla protein.
How to Make High Protein Granola
One bowl for the dry mix, one small bowl for the egg whites, then it all comes together on a sheet pan.
1. Preheat and prep. Set the oven to 300°F (150°C) and line a baking sheet with parchment paper. Low and slow is everything here - higher heat burns the nuts before the egg whites have time to dry out and crisp.
2. Mix the dry ingredients. Combine the rolled oats, puffed rice cereal, protein powder, peanuts, cashews, and chia seeds in a large bowl. Stir until it looks evenly mixed with no dry pockets of protein powder.
3. Whisk the egg whites. In a small bowl, whisk the egg whites until foamy and light - about 30 seconds with a hand mixer, or 1 to 2 minutes by hand. You're not going for stiff peaks, just light and airy. That foam is what gives you the crispy coating instead of a soggy one.
4. Coat everything. Pour the egg whites over the dry mix and stir until every oat, nut, and chia seed is coated. No dry spots left behind.
5. Spread and pack. This step matters more than it sounds. Spread the mixture onto the parchment-lined pan in an even layer, but keep it packed close together so the pieces are touching. Spreading it too thin gives you loose granola. Keeping it packed gives you clusters.
6. Bake for 35 minutes. The low temperature is doing two things: slowly drying out the egg whites and crisping the oats without burning the nuts. Don't stir it, don't check on it obsessively. Just let it bake.
7. Cool completely without touching it. This is the step most people skip, and it's why their clusters fall apart. Leave it on the pan for at least 30 minutes. The clusters harden as they cool - if you break into it while it's warm, you'll end up with loose pieces instead of big satisfying chunks.
8. Break into clusters. Once it's completely cold and crisp, break it into whatever size clusters you like and transfer to an airtight container.
My crunchy maple cinnamon egg white granola uses the same egg white technique for a slightly sweeter, maple-forward version if you want to compare the two.
Tips for the Best Protein Powder Granola
A few things I picked up testing this high protein low fat granola recipe.
- Pack it tight on the pan. Thin layer equals no clusters. The pieces need to touch and press against each other so they bond together as the egg whites dry out. More overlap equals bigger clusters.
- Don't skip the foamy egg whites. Whisking until foamy before adding to the oats is the difference between an even, light coating and a wet, heavy one. Wet coating means the granola steams instead of crisps.
- 300°F is not negotiable. Anything higher and the nuts start to burn before the center of the granola has time to dry out properly. Lower and it just takes forever. Stick with 300°F.
- Don't touch it while it's warm. Walk away. The clusters are fragile while they're hot and they firm up completely as they cool. Patience here pays off.
- Taste your protein powder first. This is a high protein low sugar granola recipe, which means the protein powder is carrying most of the flavor. If yours tastes flat, a pinch of cinnamon and a tiny amount of stevia added to the dry mix fixes it before you ever get to the oven.
There are a lot of snack recipes on the blog that use the same "protein powder does the sweetening" approach - worth browsing if you want more ideas in this direction.
Storage
Counter: Airtight container at room temperature, up to 2 weeks. Keep it away from humidity or the clusters will soften.
Fridge: Airtight container, up to 3 weeks. Good if your kitchen runs warm or humid.
Freezer: Up to 3 months in a sealed freezer bag. Let it come back to room temperature before eating - it gets its crunch back quickly.
FAQs
Each ⅓ cup serving has 9.8g of protein and 140 calories, with 4.3g of fat and only 0.4g of sugar. The batch makes 6 servings total - about 2 cups of clusters from one pan.
Two things help: using a protein powder you actually enjoy the flavor of, and combining it with egg whites instead of just mixing it dry into the oats. The egg whites coat the oats and protein powder together, and the low slow bake mellows out any chalky edges. Cinnamon or vanilla flavors work better here than more intense flavors like birthday cake.
Almost always one of two things: the granola didn't cool fully before you broke it apart, or the mixture was spread too thin on the pan. Clusters need contact to bond. If yours are crumbling, try packing the mixture tighter on the pan next time and waiting the full 30 minutes before touching it.
The egg whites are what creates the cluster structure, so you can't just skip them. For a vegan option, aquafaba (the liquid from canned chickpeas) works as a substitute - use the same amount. The clusters will be slightly less sturdy but still hold together.
Yes. At 140 calories and 9.8g of protein per serving, this is significantly leaner than most store-bought options, which typically run 200 to 250 calories for less protein and a lot more sugar.
Greek yogurt is the obvious one - especially layered with berries. It's also great dry as a snack straight from the container, on top of cottage cheese, or stirred into protein oatmeal. My protein blueberry cheesecake is genuinely amazing with a handful of these clusters on top for crunch.
More High Protein Breakfast Recipes You'll Love
- Cinnamon Egg White Granola
- Chocolate Tahini Protein Oat Bars
- Protein Blueberry Scones
- Vanilla Protein Baked Oats
High Protein Granola Recipe with Protein Powder (Low Fat)
Ingredients
- 1 cup Rolled Oats, 90g
- 1 cup Puffed Rice Cereal, 16g
- ⅓ cup Vanilla Whey Protein Powder, 30g (or Cinnamon flavor)
- 15 g chopped Peanuts
- 15 g chopped Cashew Nuts
- 2 tablespoon Chia Seeds, 25g
- 2 Egg Whites, ~75ml (from 2 eggs)
Are you Making This?
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Instructions
- Preheat the oven to 300°F (150°C) and line a baking sheet with parchment paper.
- In a large bowl, combine the rolled oats, puffed rice cereal, protein powder, chopped peanuts, chopped cashews and chia seeds. Stir until evenly mixed.
- In a small bowl, whisk the egg whites and vanilla extract until foamy and light. This takes about 30 seconds with a hand mixer or 1-2 minutes by hand.
- Pour the egg whites over the oat mixture and stir until every oat and nut is completely coated.
- Spread the mixture on the baking sheet in an even, thick layer. Keep it packed close together so the pieces touch. Spreading it thin gives you loose granola instead of clusters.
- Bake for 35 minutes. The low temperature dries out the egg whites and crisps the oats without burning the nuts.
- Let the granola cool completely on the pan for at least 30 minutes, and don't touch or stir it while it's warm. The clusters harden as they cool.
- Once it's cold and crisp, break it into large clusters.
Notes
- Nutrition value is calculated using products recommended below.
- See post for alternate ingredients, tips and storage options.
- Servings: 2 cups (6 servings) | Serving size: ⅓ cup (30g)
- Calories: 140 cal
- Fat: 4.3g | Saturated fat: 0.4g
- Carbohydrates: 15.7g | Fiber: 3.6g | Sugar: 0.4g
- Protein: 9.8g
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