A delicious sandwich made with toasted sourdough, leftover beef roast, an egg, mustard-yogurt spread, supergreens, and shaved parmesan. Perfect for using up leftover steak or beef.
1: Toast the sourdough bread slices.
2: Heat the leftover beef roast.
3: Cook the egg to your preference.
4: Mix plain yogurt and spicy ground mustard for the spread.
5: Assemble the sandwich by spreading the yogurt mix on the toast, adding beef, egg, supergreens, and shaved parmesan.
6: Drizzle with olive oil and enjoy.
