Holiday Hamburgers

Ingredients

• 1 egg
• 2 teaspoons prepared mustard
• 1 teaspoon salt
• one-eighth teaspoon pepper
• 1 pound ground beef
• one-fourth cup grated Parmesan cheese
• three-fourths cup finely chopped scallions
• one-fourth cup finely chopped parsley
• one-fourth cup butter or margarine
• 2 cups diced green pepper (about 2 large peppers)
• one-fourth cup diced pimiento
• 1 tablespoon salt (optional)
• 3 quarts boiling water
• 8 ounces (6 to 6 and one-half cups) wide egg noodles
• Salt and pepper