Shepherd's Pie - Mark Addison

Ingredients

• 32 oz. canned potatoes
• 2 tablespoons sour cream
• 1 large egg yolk
• 4 oz. canned chicken broth
• 1 tablespoon extra-virgin olive oil
• 1 3/4 pounds ground beef (or lamb)
• 8 oz. can of sliced carrots
• 8 oz. can of pearled onions
• 8 oz. canned peas
• 8 oz. can of corn
• 2 tablespoons butter
• 2 tablespoons all-purpose flour
• 8 oz. can of beef stock or broth
• 2 teaspoons Worcestershire sauce
• 1 teaspoon sweet paprika
• 2 tablespoons chopped green chives
• salt and ground black pepper