French Meat Pie
["2 Tbsp. cooking oil", "1 large onion, sliced thin", "1 c. mashed potatoes", "1 tsp. salt", "pastry (double crust)", "2 lb. ground meat (hamburg, pork, etc.)", "2 tsp. ground allspice", "1/4 tsp. pepper", "1 egg, beaten (optional)"]
["In skillet, heat oil over medium heat.", "Saute onion until tender.", "Remove and set aside.", "Brown meat.", "Drain.", "Combine all ingredients, except pastry."]
["cooking oil", "onion", "potatoes", "salt", "pastry", "ground meat", "ground allspice", "pepper", "egg"]