Cottage Pie with Sweet Potato is a delightful twist on a classic British comfort food. By substituting traditional white potatoes with sweet potatoes, this dish offers a unique sweetness matched by the savory depth of seasoned beef. Perfect for warming up on a chilly evening, it promises a magnificent balance of textures and flavors that will satisfy and delight.
Start by boiling the sweet potatoes in a large pot of salted water until they are tender. This should take about 15 minutes. Drain and set aside.
While the potatoes are boiling, heat a large frying pan over medium heat. Add the ground beef and sauté until browned. Use a wooden spoon to break apart any chunks.
Add the chopped onion to the beef and cook until translucent. Stir in the minced garlic and diced carrots, cooking for another 5 minutes until softened.
Stir in the tomato paste and Worcestershire sauce (if using), followed by the flour, coating the ingredients evenly.
Gradually pour in the beef stock while stirring, allowing the mixture to thicken into a rich gravy. Add the peas, and season with salt and pepper to taste. Let it simmer for 10 minutes on low heat.
Mash the sweet potatoes with milk and butter until smooth and creamy. Add salt and pepper to taste.
Transfer the beef mixture into a baking dish, spreading it evenly across the bottom. Then, layer the mashed sweet potatoes on top, smoothing it out with a spatula.
Bake in the preheated oven for 20 minutes, or until the top is slightly golden and fragrant.
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Notes
For a browner topping, place under the grill for the last 5 minutes of baking for a crispier finish.