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Episode 223 - Rethinking Vermouth with Birk OHalloran
In this fragrant, vine-ripened deep dive with Birk O’Halloran, creator of Rockwell Vermouth, some of the topics we discuss include:
- How Birk worked his way up the supply chain over the years, dabbling first in hospitality education, becoming a sommelier, working in the off-premise world, and eventually launching his own wine and vermouth brands.
- What it means to make an American vermouth, and how that journey incorporated a unique botanical called Artemisia Californica, AKA California Sagebrush.
- Why there’s not a lot of information available about vermouth recipes in the historical literature, and what that meant for Birk’s research and development process.
- Then, we conduct an in-depth tasting of the Rockwell Sweet and dry vermouth. We talk about the uniquely American grape varietal used for the wine base, as well as some of the innovative, solera-aged extracts used to aromatize the end products.
- Along the way, we explore Birk’s multi seasonal approach to his sagebrush sourcing, the implementation of various dried fruit extracts as flavorants, what you can learn when subjecting the world’s most popular vermouth brands to advanced laboratory testing, and much, much more.
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Episode 224 - The Worm and the Margarita
In this first installment of a two-part series, Eric investigates the origins and history of the Margarita cocktail, beginning with the origins of sour taste perception 500 million years ago. The run of show includes:
- The evolutionary legacy of how a tiny roundworm came to sense a change in hydrogen ion density in its environment
- Why humans like sour tastes, especially when those sour tastes exist in the presence of sugar and alcohol
- The naval environment in which distilled spirits, sugar, and fresh citrus juice became one of the first global drinking trends
- The two cocktails that paved the way for the Margarita, namely: the Brandy Crusta and the Daisy
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