> Raw egg yolks will last in the refrigerator for up to two days, but they can last a lot longer in the freezer with some care. Because they can get clumpy and gelatinous when frozen as is, you’ll want to beat them first, adding a little bit of salt and sugar, and then freeze them. (The U.S.D.A. recommends a pinch of salt and 1 ½ teaspoons sugar for every four eggs.)
Holy shit, that's a lot of sugar for preserving eggs.. that's 2g of added sugar _per egg_.