Traditional Irish Shepherd's Pie

INGREDIENTS

• 1 tablespoon olive oil
• 1 teaspoon black pepper
• 1 lb ground beef or 1 lb lamb
• 1 large onion, finely diced
• 3 -4 large carrots, finely diced
• 1 cup frozen peas
• 3 -4 sprigs fresh thyme, finely chopped
• 2 tablespoons flour
• 1 tablespoon butter
• 1 glass red wine
• 2 tablespoons tomato paste
• 2 tablespoons Worcestershire sauce
• 1 cup stock
• 1 large quantity mashed potatoes (estimating 1L or 6 cups, fresh or leftover)
• 1 egg, beaten
• grated parmesan cheese (optional)