Leftover Cottage Pie

Ingredients

• 4 potatoes
• 2 tablespoons butter
• 1/4 cup milk
• 1 teaspoon salt
• 1/4 teaspoon pepper
• 3 tablespoons butter
• 1 onion, diced
• 2 carrots, diced
• 2 stalks celery, diced
• 2 1/2 tablespoons flour
• 2 1/2 cups beef broth
• salt and pepper to taste
• 1 teaspoon Worcestershire sauce, optional
• splash of red wine, optional
• 2 cups leftover beef, cut in 1/2″ chunks & any gravy leftover
• 1/2 cup frozen peas
• 1 tablespoon melted butter to brush on top of potatoes
• Grated cheese to serve