2. In a food processor or by hand, grind almonds with 2 tablespoons sugar until very fine. Add remaining sugar, vanilla extract, egg whites, and breadcrumbs.
3. Knead to form a dough. Break off pieces of dough about the size of a walnut. Shape into 1˝-inch rounds. Arrange on buttered cookie sheet and bake for 15 minutes, or until golden. Cool on sheet.
4. Dip each cookie into orange-flavor water or rose water and dust generously with confectioners' sugar. Store in an airtight container.