Filling: step 2
Add gelatin mixture; stir until melted. Add white chocolate; stir until melted. Scrape into large bowl; refrigerate, stirring occasionally, until slightly colder than room temperature but not set, about 1 1/2 hours.
In bowl, beat egg whites until soft peaks form. Beat in granulated sugar, 1 tbsp (15mL) at a time, until glossy peaks form.
