This type of halva is crumbly and usually made from tahini (sesame paste) or other nut butters, such as sunflower seed butter. The primary ingredients are nut butter and sugar.n Bulgaria, the term halva (халва) is used for several varieties of the dessert. Tahini halva (тахан халва) is most popular and can be found in all food stores. Two different types of tahini halva are made – one using sunflower seed tahini and another using sesame seed tahini.