Sweet Breadcrumbs for Topfenknoedel

Pulse brioche in a food processor until fine crumbs form (you should have 1 cup breadcrumbs).

Melt butter in a medium skillet over medium heat. Add breadcrumbs, and cook, stirring occasionally, until golden brown, about 3 minutes. Stir in sugar. Transfer to a bowl, and let cool slightly. Stir to break up any lumps. Let cool completely. Breadcrumbs can be stored in an airtight container for up to 2 days.