Irish Cottage Pie Recipe

Name: Irish Cottage Pie Recipe
Ingredients: 2 pounds ground beef; 3 pounds russet potatoes; 1 cup reserved potato water (see recipe notes); 1 stick butter; 1 cup chopped onion (, white, yellow or sweet yellow); 1 cup chopped carrots; 1 cup frozen peas (thawed); 1 tablespoon minced garlic (fresh) (about 2-3 cloves minced); 2 tablespoons flour, all-purpose; 1½ cups beef broth or beef stock; 2 tablespoons Worcestershire sauce; 2 tablespoons tomato paste; ¼ teaspoon ground sage; ¼ teaspoon ground thyme; ½ teaspoon Allspice (optional); 2 dried bay leaves