[header] How to make boccone dolce [title] Preheat oven to 250 ° f (121 ° c). [title] Beat egg whites and cream of tartar until soft peaks form. [step] Soft peaks are characterized by peaks that form and flop over when beaters are lifted from meringue. 
[title] Gradually add sugar and beat until meringue is stiff and glossy. [title] Line three eight-inch cake pans with foil, or outline three eight-inch circles with foil on a large cookie sheet.