Cookie Lab #194 Peanut Butter Master Dough Cookies

Peanut Butter Panic! (The Non-Newtonian Cookie) 🥜🔬

The Master Cookie Dough is back, baby, and this week Chris takes the helm to prove its versatility! With just one small, top-secret tweak, Chris transforms our perfect base into the chewy, craveable classic: Peanut Butter Cookies!

But we aren't stopping at the cross-hatch pattern. We’re diving deep into the history of how this nutty treat became America's favorite, from its early, dense origins to the creamy delight we know today.

Then, things get wonderfully weird with the science of peanut butter! Prepare to have your mind spread wide open as we explain why peanut butter is actually a non-Newtonian fluid. That's right—it acts like a solid one moment and a gooey liquid the next. It’s chemistry you can eat!

Listen now to grab Chris’s Master Dough modification, and learn the bizarre science of the paste you spread every morning!

Cookie Lab Master Gluten-Free Cookie Dough

- 226g unsalted butter, softened 

- 200g granulated sugar

- 220g light brown sugar, packed 

- 2 large eggs (room temp)

- 2 tsp vanilla extract

- 420g gluten-free flour blend 

- 1 tsp cornstarch

- 1/2 tsp baking soda

- 1 tsp baking powder

- 1 tsp salt

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