Shepherd'S Pie
["1 medium onion, chopped", "1 c. celery, chopped", "3 Tbsp. butter or margarine", "3 c. cooked roast beef, coarsely ground or diced", "1 1/2 c. beef gravy or 1 (10 1/2 oz.) can beef gravy", "1 tsp. oregano leaves", "1/2 tsp. salt", "1/4 tsp. ground black pepper", "1 Tbsp. Worcestershire sauce", "2 Tbsp. grated Parmesan", "paprika", "4 c. seasoned mashed potatoes"]
["Saute onion and celery in butter until tender.", "Stir in meat, oregano and gravy.", "Season with salt, pepper and Worcestershire sauce.", "Heat through."]
["onion", "celery", "butter", "cooked roast beef", "beef gravy", "oregano", "salt", "ground black pepper", "Worcestershire sauce", "Parmesan", "paprika", "potatoes"]