Six ingredients, one bowl, no flour. These are a peanut butter cookie with protein powder doing the job flour normally does.
They take about ten minutes to put together and fifteen in the oven.
Key points
- Six ingredients. Nothing unusual.
- Flourless. The protein powder replaces it.
- One bowl. Mix, roll, bake.
- Watch the oven. Two minutes decides soft or dry.
- Keeps five days. Better on day two.
Ingredients
- 250 g peanut butter (if using a dry natural peanut butter, add 2 tbsp coconut oil)
- 100 g coconut palm sugar (1/2 cup)
- 125 g Gold Standard 100% Whey (1/2 cup)
- 15 g cocoa powder
- 2 eggs
- Mini choc chips
Method
- Preheat the oven to 180 degrees and line a tray with baking paper.
- Mix everything together. It should come together like cookie dough.
- Roll into balls and flatten slightly on the tray, leaving room to spread.
- Bake for around 12 to 15 minutes. Pull them out while the centres still look slightly underdone.
- Cool on the tray for five minutes before moving them, or they will break.
Why are my protein cookies dry?
Almost always overbaking, and the window is genuinely narrow.
Protein powder continues to set as it cools, so a cookie that looks perfect in the oven will be dry on the plate. Take them out when the centres still look slightly underbaked and let the residual heat finish them on the tray. Two minutes is the difference between soft and sandy.
The other causes:
- A dry natural peanut butter. The kind that separates and stiffens at the bottom of the jar. Add the two tablespoons of coconut oil.
- Too much protein powder. Measure it by weight rather than scoops, because scoop sizes vary a lot between brands.
- Baking them too small. Small cookies dry out faster. Make them slightly bigger than feels right.
Can I use a different protein powder?
Yes, with one adjustment worth knowing.
- Whey concentrate or a blend behaves closest to what this recipe expects.
- Whey isolate absorbs less moisture and can bake drier. Reduce it slightly or add a tablespoon of milk.
- Plant protein absorbs considerably more. Add 2 to 3 tablespoons of milk and expect a denser, more crumbly cookie.
Chocolate or vanilla flavours both work here. 100% Whey Protein is our house-brand alternative if you would rather not use Gold Standard.
Can I make them without sugar?
Partly. The coconut palm sugar is doing two jobs: sweetness, and moisture.
Replacing it with a granulated sweetener gets you the sweetness but not the moisture, and the cookies come out noticeably drier and more crumbly. If you go that way, add two tablespoons of milk or an extra egg yolk to compensate.
Halving the sugar rather than removing it is the better compromise. Peanut butter and cocoa carry a lot of flavour on their own.
Are these actually a healthy snack?
They are a cookie with more protein in it. That is a genuine improvement, and it is not the same as being a health food.
The protein and the peanut butter make them more filling than a standard cookie, so most people stop at one or two rather than four. That is the real benefit. But there is still half a cup of sugar and 250 g of peanut butter in the batch, so these carry real calories.
A good treat, not a health food. The distinction matters more than the recipe.
How do I store them?
- Airtight container. Five days at room temperature, and they soften nicely on day two.
- Freezer. Up to three months, baked or as raw dough balls.
- Not the fridge. It dries them out faster than the bench does.
Freezing the raw dough is the better option if you would rather bake a couple at a time. Add two minutes to the bake from frozen.
For more like this, browse the full recipe collection.
