Ok, so I saw another question answered here that said:

Natural Peanut butter is about 50% fat, butter is about 80% fat. If you want to maintain the original amount of fat in the recipe, you would decrease the butter by 60% of the amount of peanut butter you used.

I however have a recipe for oatmeal cookies that calls for 3/4 C of butter and I'd like to use a full cup of peanut butter, How do I adapt this correctly? I'm really bad at math and don't want to mess it up, haha.

Also if I'm adding that much peanut butter do I need to adjust any of the other ingredients like the flour or oats quantity?

Thanks in advance for your answers!

  • The reason I didn't quote the other post exactly is because I'm not using natural peanut butter, I'm going to use regular and I'm not sure of the fat % difference between the two. Dec 13, 2017 at 22:26
  • 1
    Can you add a link to the other question? That can help people answer this one (just to have context, or to make sure they're not telling you something you already have read)
    – Erica
    Dec 14, 2017 at 0:13
  • 2
    I think I'd like to see the entire recipe @DivinusOculus.
    – GdD
    Dec 14, 2017 at 9:43


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