Shepherd's Pie

• 1/2 cup finely chopped celery
• 4 cups mashed potatoes, fresh, leftover, or from flakes
• 1 can (6 oz.) sliced mushrooms, or use fresh sautéed mushrooms
• 1 cup chopped onions, about 2 medium onions
• 1 1/2 teaspoons salt
• 1 egg, slightly beaten
• 1/2 teaspoon pepper
• 2 cups beef, leftover roast, chopped
• 1/3 cup gravy, broth, or milk
• 3 tablespoons parsley, finely chopped
• 2 tablespoons butter

Preheat oven to 400°. Make mashed potatoes according to directions or make fresh. Add onion and egg. Mix well. In a bowl mix beef, 2 tablespoons of the parsley, celery , mushrooms, salt, pepper, and milk. Grease a 2-quart casserole. Spoon half the potatoes into bottom of casserole. Top with meat mixture and cover with rest of potatoes. Sprinkle with cheese and remaining parsley and dot with butter. Bake 20-25 minutes until brown.
Serves 4.