# What You Need:
→ Meat Filling
01 - 2 lbs ground beef or ground lamb
02 - 1 medium onion, finely chopped
03 - 2 cloves garlic, minced
04 - 2 medium carrots, diced
05 - 1 cup frozen peas
06 - 1 cup frozen corn
07 - 2 tablespoons tomato paste
08 - 1 tablespoon Worcestershire sauce
09 - 1 teaspoon dried thyme
10 - 1 teaspoon dried rosemary
11 - 1 cup beef or chicken broth
12 - 2 tablespoons all-purpose flour
13 - 2 tablespoons olive oil
14 - Salt and black pepper, to taste
→ Mashed Potato Topping
15 - 2½ lbs russet potatoes, peeled and cut into chunks
16 - 4 tablespoons unsalted butter
17 - ½ cup whole milk
18 - ½ cup shredded cheddar cheese (optional)
19 - Salt and black pepper, to taste
# Step-by-Step Guide:
01 - Set the oven temperature to 400°F.
02 - Boil the peeled potatoes in salted water for 15 to 20 minutes until tender, then drain thoroughly.
03 - Mash the hot potatoes with butter and milk until creamy, seasoning with salt and pepper. Optionally, fold in shredded cheddar cheese. Set aside.
04 - Heat olive oil in a large skillet over medium-high heat. Cook onion and carrots for 3 to 4 minutes until softened.
05 - Add garlic and sauté for 1 minute. Incorporate ground meat and cook, breaking it up, until browned and fully cooked. Drain excess fat if necessary.
06 - Mix in tomato paste, Worcestershire sauce, thyme, rosemary, salt, and pepper. Sprinkle flour over mixture and stir to coat evenly.
07 - Pour in broth and simmer for 5 minutes until thickened. Add peas and corn, stir, and cook 2 to 3 minutes more. Adjust seasoning to taste.
08 - Transfer the filling to a 9x13-inch baking dish and spread evenly.
09 - Layer mashed potatoes over the meat mixture, smoothing surface and creating ridges with a fork for crispiness.
10 - Bake for 25 to 30 minutes until the topping is golden brown and the filling is bubbling.
11 - Allow to rest for 5 to 10 minutes to settle before serving.