'What tofu should be': This former banker left finance to master tofu

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When Minh Tsai first started cooking, he couldn't find the type of tofu he remembered eating while growing up in Vietnam. So the Bay Area-based investment banker turned to tofu making to figure out what was missing from his pantry – now, his Hodo Soy products can be eaten around the U.S., from Costco to Whole Foods.