Cut a thin slice from stem end of oranges. Cut triangles evenly from top. Remove center, dice pulp and combine with dates, raisins and 2 tablespoons sugar. Fill orange shells and bake in a casserole with 1 cm water, in a 300 degrees oven for 45 mintues. Fold beaten egg white and remaining sugar together. Remove oranges from oven, top with egg mixture, sprinkle with coconut and return to oven for 15 minutes. Serves 4.