Cut each cake of tofu in half horizontally. Combine marinade ingredients in a pot wide enough to accept the four tofu pieces in a single layer. Bring marinade to a boil & add tofu. Simmer, uncovered, on very low heat for 10 minutes. Remove from heat & marinate for 3 hours, turning 2 or 3 times. Keeps refrigerated & wrapped for a week. "Sundays at Moosewood Restaurant Cookbook"