SCOTTISH BEEF AND POTATOES Recipe - (4/5)

Ingredients

• For the Beef and Potatoes:
• 1 pound boiling potatoes
• 2 teaspoons kosher salt
• 2 tablespoons vegetable oil
• 1 medium onion, chopped
• 3 tablespoons all-purpose flour
• 1 pound ground beef sirloin or top round
• 1 cup beef broth
• 2 teaspoons worcestershire sauce
• 1 tablespoon tomato ketchup
• 1/4 teaspoon freshly ground black pepper
• For the Sauce:
• 2 tablespoons unsalted butter, softened
• 2 tablespoons all-purpose flour
• 1 cup milk
• 1 cup grated sharp white cheddar cheese ( about 4 ounces)
• 1 large egg yolk
• 1/4 teaspoon kosher salt
• Pinch of grated nutmeg