Sweet Potato & Lentil Shepherd’s Pie

Sweet Potato & Lentil Shepherd’s Pie is a comforting, hearty plant-based twist on the classic casserole. Tender lentils simmered with vegetables and savory seasonings create a rich, satisfying filling, while creamy mashed sweet potatoes form a naturally sweet and vibrant topping. This nourishing, wholesome dish is perfect for cozy dinners, meal prep, or serving to both vegetarians and meat-lovers alike.

Ingredients

  • 1 ½ cups dried green or brown lentils
  • 3 cups vegetable broth
  • 1 tablespoon olive oil
  • 1 small onion, diced
  • 2 cloves garlic, minced
  • 2 carrots, diced
  • 1 cup frozen peas
  • 1 tablespoon tomato paste
  • 1 teaspoon dried thyme
  • 1 teaspoon paprika
  • ½ teaspoon salt
  • ½ teaspoon black pepper
  • 1 tablespoon soy sauce
  • 1 tablespoon Worcestershire (vegan if needed)

Sweet Potato Topping

  • 3 large sweet potatoes, peeled and cubed
  • 2 tablespoons butter or vegan butter
  • ¼ cup milk or plant milk
  • ½ teaspoon salt
  • ¼ teaspoon pepper

Preparation Steps

Step 1: Cook Lentils

In a saucepan, combine lentils and vegetable broth. Bring to a boil, then simmer 20–25 minutes until tender. Drain excess liquid if needed.

Step 2: Cook Vegetables

In a skillet, heat olive oil over medium heat. Sauté onion, garlic, and carrots until softened and fragrant.

Step 3: Make Filling

Stir in tomato paste, thyme, paprika, salt, pepper, soy sauce, and Worcestershire. Add cooked lentils and peas. Simmer 5–10 minutes until thickened.

Step 4: Cook Sweet Potatoes

Boil sweet potato cubes in salted water until fork-tender, about 15 minutes. Drain well.

Step 5: Mash Topping

Mash sweet potatoes with butter, milk, salt, and pepper until smooth and creamy.

Step 6: Assemble

Spread lentil filling in a baking dish. Spoon mashed sweet potatoes evenly over the top.

Step 7: Bake

Bake at 375°F (190°C) for 20–25 minutes until heated through and lightly golden on top.

Variations

  • Add mushrooms for deeper umami flavor and a meatier texture
  • Mix lentils with cooked quinoa for extra protein and texture
  • Add corn or green beans for more vegetable variety
  • Top with shredded cheese before baking for a creamy crust
  • Use mashed potatoes instead of sweet potatoes for a classic taste
  • Add smoked paprika for a subtle smoky note
  • Stir spinach or kale into the lentil layer for extra greens
  • Make individual ramekin portions for serving

Cooking Notes

  • Lentils should be tender but not mushy so the filling keeps structure
  • If filling seems too loose, simmer longer to reduce moisture before baking
  • Sweet potatoes should be well drained to prevent watery mash
  • Mash topping until smooth for best spreading and presentation
  • A fork can be dragged across the topping to create texture that browns nicely
  • Baking allows flavors to meld and the top to lightly caramelize
  • Dish can be assembled ahead and refrigerated before baking
  • Rest 10 minutes after baking so layers set for cleaner serving

Serving Suggestions

  • Serve hot with a simple green salad for balance and freshness
  • Pair with crusty bread to scoop up the hearty filling
  • Add a spoon of yogurt or sour cream for creamy contrast
  • Sprinkle fresh herbs like parsley or chives for brightness
  • Serve alongside roasted vegetables for a full vegetarian meal
  • Add a drizzle of olive oil or chili oil for richness and warmth
  • Pair with pickled vegetables to cut through the sweetness
  • Serve in shallow bowls for cozy comfort-food presentation

Tips

  • Cook lentils just until tender to avoid mushy texture
  • Season filling generously since lentils absorb flavor
  • Taste mash and adjust salt before topping
  • Spread topping gently so layers stay distinct
  • For golden peaks, broil briefly at the end
  • Use a wide baking dish for better topping coverage
  • Let cool slightly before slicing for neat portions
  • Leftovers reheat well and flavors deepen next day

Prep Time / Cook Time / Total Time

Prep Time: 25 minutes
Cook Time: 40 minutes
Total Time: 1 hour 5 minutes

Nutritional Info (Approx.)

Calories: 320 per serving
Protein: 14g
Carbohydrates: 48g
Fat: 9g

FAQs

Can I make this ahead?
Yes, assemble and refrigerate up to 24 hours before baking.

Can I freeze shepherd’s pie?
Yes, freeze before or after baking and reheat until hot.

What lentils work best?
Green or brown lentils hold shape best for this recipe.

Conclusion

Sweet Potato & Lentil Shepherd’s Pie is a nourishing, satisfying vegetarian comfort dish that brings together savory lentils and creamy sweet potato topping in a warm baked casserole. Rich in flavor and wholesome ingredients, it’s a perfect cozy meal for family dinners, meal prep, or plant-based entertaining.

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