In a bowl, combine the egg white and butter. Add the peanuts, walnuts, cashews, almonds, pecans and sunflower kernels. In a large bowl, combine the sugar, cornstarch, cinnamon, allspice, nutmeg and salt. Add nut mixture and toss to coat.
Transfer to a greased shallow 2-1/2-qt. baking dish. Bake at 275° for 45 minutes or until toasted and crisp, stirring every 15 minutes. Cool on a wire rack. Store in an airtight container.