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December 04, 2025 1 min read
All the “old school” peanut butter cookie vibes, but made keto-friendly with our Iso-Plant Vegan Protein Powder. Soft in the middle, lightly crisp on the edges, and of course… fork-marked on top. 😍
Rated 5 stars by 1 users
All the “old school” peanut butter cookie vibes, but made keto-friendly with our Iso-Plant Vegan Protein Powder. Soft in the middle, lightly crisp on the edges, and of course… fork-marked on top. 😍

1 scoop Iso-Plant Vegan Protein Powder (peanut butter cookie flavor)
1/2 cup granulated keto sweetener (erythritol/monkfruit blend or your preferred granular choice)
Add Iso-Plant protein powder, baking powder, and salt. Stir until a thick dough forms.
If it’s too crumbly, add almond milk 1 tbsp at a time until it holds together.
Don’t skip stirring the PB
Make sure your natural peanut butter is well mixed so there aren’t oily pockets or dry chunks. This helps the dough come together evenly.
Adjust the dough with liquid
Protein powder can make dough a bit drier. If it looks crumbly, add 1–2 tbsp unsweetened almond milk slowly until it feels like play-dough: soft, but not sticky.
Slightly underbake for softness
Take them out when the edges look set but the centers still look a bit soft. They firm up as they cool = soft, chewy middle instead of chalky.
Let them cool on the pan
Give them 10–15 minutes before moving. When warm, they’re fragile; cooling helps them set and keeps that classic cookie shape.
Prevent sticking
Dip your fork in a tiny bit of sweetener or very lightly in water between cookies to keep it from pulling the dough.
Even thickness = even baking
Gently press to the same thickness on each cookie so they bake at the same rate (about 1/2 inch thick is a sweet spot).
Taste the dough
Since there’s no raw flour here, you can taste a tiny bit of dough and adjust sweetness before baking. Add 1–2 extra tablespoons of sweetener if you like them sweeter.
Boost the peanut flavor
Add 1–2 tbsp peanut flour (if you have it) for even more peanut punch, adjusting with a splash of almond milk if needed.
Salt = flavor upgrade
A tiny sprinkle of flaky sea salt on top before baking or right after they come out of the oven makes the flavor pop.
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