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
Sarawak layer cake must have at least two colours. The cake can be baked in an oven or microwave. The batter uses butter or vegetable oil, milk and eggs, and requires a strong arm or electric mixer to be properly prepared. The baked cake has a high, firm texture and the layers are fastened together with jam or a similarly sticky sweet substance. More detailed cakes often require special moulds to maintain the perfect layer thickness. In Malaysia, "kek lapis Sarawak" (Sarawak layer cake) has been a protected geographical indication since 2010. This means that any product may only be called "kek lapis