1/4 c. butter
1 c. beef broth
1 (10 oz.) can mushroom pieces (opt.)
1/3 c. chopped onions
1 lg. egg, beaten
2 tbsp. Parmesan cheese
3 tbsp. flour
2 c. cooked roast beef
1 pkg. frozen peas, thawed (opt.)
3 c. mashed potatoes, leftover or fresh

In large skillet over medium heat, meet butter, add flour and stir until smooth and bubbly. Add broth gradually stirring. Simmer 2 minutes. Add beef, mushrooms, peas and onions. Preheat oven at 400 degrees. Grease 2 quart casserole, pour in beef mixture. In medium bowl, combine potatoes and egg. Beat until well mixed. Spread potatoes over beef mixture. Sprinkle with cheese and dot with butter. Bake 20 to 25 minutes or until brown. Makes 4 servings.