Sift flour with salt and sugar into a large mixing bowl. Cut in shortening. Combine egg and milk. Stir into flour mixture, mixing well. Dough will be firm. Let dough rest for 30 minutes. Preheat oven to 375 degrees. Sprinkle sesame seed on 4 baking sheets. Knead dough for 2-3 minutes. Divide dough into fourths; roll each piece to 0 cm thickness. Place dough on prepared pans; brush with water and sprinkle with poppy seed. Bake for 20-25 minutes or until browned and crisp. Break into pieces and serve with butter. Makes 4 sheets. Enjoy! Me ke aloha, Mary