Here’s what you need to know about tofu shops and where to find them, but first, a history lesson. And by 1940, the US was home to more than 390 Japanese tofu shops. One of those businesses was Ota Tofu, a tofu shop in Portland, OR which is still open today. Tofu shops across the USStop by one of these tofu shops for some freshly made tofu. The shop, which is New York’s “oldest family run tofu shop,” specializes in Toisanese recipes, including tofu pudding with ginger syrup.