A tofu burger or a BLT? A green salad or a bologna sandwich? Whole grain or white bread? The choice became clearer and clearer to Vimala Rodgers. Granddaughter of a wholesale butcher, Vimala became a vegetarian in 1969 when she realized she was undermining her family’s health by serving them the average American diet. Although she had few tools for creating meatless meals that were nutritionally b...