Peanut butter contain at least 90% peanuts; the remaining <10% usually consists of "...salt, a sweetener, and an emulsifier or hardened vegetable oil which prevents the peanut oil from separating". In the US, no product labelled as "peanut butter" can contain "artificial sweeteners, chemical preservatives, [or] natural or artificial coloring additives." Some brands of peanut butter are sold without emulsifiers that bind the peanut oils with the peanut paste, and so require stirring after separation. Most major brands of peanut butter add white sugar, but there are others that use dried cane syrup, agave syrup, or coconut palm sugar. Organic and artisanal
Gooey butter cake make deep butter cakes, but got the two butter smears mixed up. The mistake wasn't caught until after the cakes came out of the proof box. Rather than throw them away, Hoffman went ahead and baked them. As this was around the Great Depression that was another reason to be thrifty. The new type of cake sold so well, Hoffman kept producing them and soon, so did the other bakers around St. Louis. Another St. Louis baker, Fred Heimburger, also remembers the cake coming on the scene in the 1930s, as a slip up that became a popular hit and