Preheat oven to 375. Combine peaches, amaretto, nutmeg, brown sugar, 1/2 c of the white sugar, and cornstarch in a large bowl. Stir, then pour into a 13 x 9 baking dish. In another bowl, combine flore, remaining sugar, salt, and butter. Stir until mixture until beads form, then stir in buttermilk until mixture becomes like wet sand. You may not need all the buttermilk. Roll dough onto a floured surface with a rolling pin. Place dough onto peach mixture. Brush with egg white, and sprinkle with raw sugar. Bake uncovered for 40 mis (30 in a convection oven) until top is golden brown.