[Source] Yyeger sugar was a type of sugar that was in use by the year 20 BBY. The sugar could be finely spun and would normally melt on the tongue of any individual who consumed it. In 20 BBY, the surgeon Jos Vondar believed that the most finely spun yyeger sugar would not melt on the tongue of his colleague, nurse Tolk le Trene, after she pretended to not understand that he had romantic feelings for her.