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New Proof & Peloton Class Promises Glutes, Gluten, and God Complex

The hybrid spin-and-bake studio claims that sourdough rises better when your heart rate is above 130 bpm and your soul is desperately chasing an instructor named Crumbella.

2 min read
The Baker's Bulletin
New Proof & Peloton Class Promises Glutes, Gluten, and God Complex
In the latest chapter of self-optimization madness, a startup in San Francisco has launched Proof & Peloton, the world's first spin class where bakers can simultaneously tone their quads and bulk ferment their sourdough. The 45-minute class promises peak hydration, peak performance and features upbeat techno remixes of The Great British Bake Off theme as you cycle through intervals while watching your dough visibly rise beside you. The key to gluten development is positive energy, explained founder and instructor Crumbella, who legally changed her name from Kaylee in 2023. If you aren't sweating into your banneton, are you even fermenting? The class begins with an intention-setting chant (Stretch. Fold. Become.), followed by alternating sprints and rest periodseach timed to dough strengthening techniques. At 24 minutes, everyone is instructed to mist their own dough with lavender water while whispering, Youve got this, gluten. Crumbella coaches each session from an elevated gold spin bike surrounded by proofing baskets and motivational slogans like No Pain, No Pane. One rider was hospitalized last week after attempting to laminate puff pastry on the cooldown. The hardest part was maintaining a steady cadence while performing coil folds, said recent participant Ray, 33. But my glutes and crumb are tighter than ever. The studio has already announced expansion plans, including: Barre & Baguette (plies while scoring) HIIT & Tartine (every burpee activates more lactic acid) Core Crumb (ab-focused shaping and banneton holds) Though some critics call it excessive, devotees are fully bought in. My starters vibe is different now, one rider wrote in a Yelp review. Its like it knows Ive been through something. At press time, Crumbella was spotted teaching a private session to a VC-backed boule.

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