Regular cheeses run about 80 to 110 calories per one ounce. Soy cheeses run 55 - 80 calories per one ounce. Scanning about 10 different packages reveals the average is around 60 - 70 calories per ounce. Protein levels vary greatly for soy cheeses, from 2 grams to 7 grams in 1 ounce. Choosing those with at least 4 grams of soy protein will help you achieve more soyfood benefits. Regular cheese has between 6 and 10 grams of protein in 1 ounce.