In this episode of Recipe to Revenue, host Leah Messina sits down with Elan Halpern, the co-founder of Sour Milk. Elan shares the brutally honest realities of launching a fermented CPG brand in New York City with zero food industry experience. She breaks down her “building in public” marketing strategy, the intense logistics of scaling a refrigerated product, and how literally handing out orders on street corners helped them build a fiercely loyal community.
When DTC Literally Means Standing on Street Corners: Sour Milk’s Guerrilla Launch Strategy
by Sinuate Media | Recipe to Revenue
Struggling with chronic gut health issues like bloating and brain fog, former Stanford athlete Elan Halpern realized the grocery store yogurt she ate every day wasn’t actually probiotic. Instead of settling for ineffective products, she began fermenting her own high-probiotic yogurt using supplement-grade cultures. When her symptoms disappeared, the idea for Sour Milk was born.
Watch or listen to learn more about:
- Why most conventional grocery store yogurts lack true probiotic benefits, and the science behind fermenting for actual microbiome health.
- How the founders used an unconventional distribution model—delivering yogurt out of Hydro Flask backpack coolers on NYC street corners—to quickly fulfill a waitlist of 2,000 customers.
- The immense power of transparently “building in public” on social media to turn everyday customers into deeply invested brand evangelists.
- How a guerrilla ambassador program empowered customers to successfully pitch independent grocers, getting the brand into 15 new stores overnight.
- The brutal logistical realities of scaling a refrigerated CPG product, from finding dairy supply to navigating cold-chain transport.
Whether you are launching a gut-health brand or looking to build a fiercely loyal customer community from scratch, Elan breaks down the exact plays needed to build a resilient and predictable revenue engine.
