Savory Sweet Potato Shepherd's Pie

Name: Savory Sweet Potato Shepherd's Pie
Prep time: 20 min
Cook time: 40 min
Total time: 1 h
Yield: 4 servings
Ingredients: 1 cup lentils, rinsed; 2 cups vegetable broth; 1 onion, chopped; 2 garlic cloves, minced; 2 carrots, diced; 1 celery stalk, diced; 1 teaspoon dried thyme; 1 teaspoon dried rosemary; Salt and pepper to taste; 2 large sweet potatoes, peeled and diced; 2 tablespoons butter or olive oil; Salt to taste; 1/4 cup milk or plant-based milk

Highlighted under: Homestyle Comfort Plates

I absolutely love making this Savory Sweet Potato Shepherd's Pie, especially on chilly evenings when I crave comfort food. The rich, warm flavors of the seasoned lentils combined with the creamy sweet potato topping create a dish that's not only delicious but also satisfying. It's become a staple in my kitchen, and I can't wait to share the joy it brings! Plus, it's a fantastic way to sneak in some extra veggies while still enjoying a classic comfort dish.

Created by

Olivia

Last updated on 2026-02-09T16:53:27.299Z

Reflecting on my first time making this pie, I was pleasantly surprised by how the blend of spices really brought the dish to life. I chose to use lentils as the base, and found that they added a fantastic texture and depth of flavor that made the pie hearty and fulfilling. The sweet potatoes create a wonderfully creamy topping that contrasts perfectly with the savory filling below.

After experimenting with various herbs, I discovered that thyme and rosemary really elevate the dish’s flavor profile. I prefer to use fresh herbs whenever possible because they release their oils more vibrantly during cooking. It’s a small detail, but it makes a big difference in taste and aroma.

Why You'll Love This Recipe
Creamy sweet potato topping that perfectly complements the savory filling
Packed with plant-based protein and nutrients from lentils
Comforting dish that warms the heart and soul

Understanding the Ingredients

The choice of lentils is crucial in this Savory Sweet Potato Shepherd's Pie. I recommend using brown or green lentils, as they hold their shape well during cooking, providing a nice texture to the filling. Red lentils, while quicker to cook, tend to break down and can result in a mushy consistency, which isn't ideal for this dish. If you’re in a pinch and don’t have lentils, you can substitute half the amount with cooked quinoa or chickpeas for a different texture.

Sweet potatoes not only bring a natural sweetness to this pie but also add a vibrant color. When selecting sweet potatoes, look for firm ones without any blemishes. The freshness of your sweet potatoes will significantly influence the flavor. If you prefer a savory twist, you can mix in some roasted garlic or a pinch of nutmeg while mashing, which enhances the overall taste and complements the spices in the filling.

Techniques for Success

Cooking lentils requires a bit of attention to achieve the right consistency. Make sure to simmer gently rather than boil vigorously, as high heat can cause them to break apart. Keep an eye on the lentils during cooking, tasting occasionally. They should be tender but still a bit firm to the bite, typically around 18 minutes for brown lentils. If they absorb too much liquid, simply add a splash of vegetable broth to prevent drying out.

When preparing the sweet potato topping, ensure that you boil them until fork-tender; this is essential for making silky smooth mashed potatoes. Drain them well to remove excess moisture, which can make the mash watery. A potato masher works well, but for an ultra-creamy texture, consider using a ricer or food processor. This will create a fluffy base that contrasts beautifully with the hearty lentil filling.

Make-Ahead and Storage Tips

If you're planning ahead, you can prepare the lentil filling a day in advance. Store it in an airtight container in the fridge. When you’re ready to assemble the pie, reheat the filling on low heat while you prepare the sweet potato topping. This not only saves time but also allows the flavors to meld and intensify overnight, making the pie even more delicious.

Leftover shepherd's pie can be stored in the fridge for up to three days, or you can freeze it for up to three months. When freezing, be sure to use a well-sealed, freezer-safe dish. To reheat, bake from frozen at 375°F (190°C) for about 45 minutes, or until heated through, and cover with foil to prevent the top from browning too quickly. This way, you can enjoy a comforting meal anytime!

Ingredients

Gather the following ingredients to get started:

Filling

1 cup lentils, rinsed
2 cups vegetable broth
1 onion, chopped
2 garlic cloves, minced
2 carrots, diced
1 celery stalk, diced
1 teaspoon dried thyme
1 teaspoon dried rosemary
Salt and pepper to taste

Topping

2 large sweet potatoes, peeled and diced
2 tablespoons butter or olive oil
Salt to taste
1/4 cup milk or plant-based milk

Ensure all ingredients are fresh for the best flavor.

Instructions

Follow these simple steps to create your pie:

Cook the lentils

In a pot, combine rinsed lentils and vegetable broth. Bring to a boil, then reduce to a simmer. Cook until lentils are tender, about 15-20 minutes.

Prepare the filling

In a skillet, sauté onion and garlic until soft. Add carrots and celery, cooking until tender. Stir in thyme, rosemary, lentils, salt, and pepper, and cook for an additional 5 minutes.

Make the sweet potato topping

Boil diced sweet potatoes until fork-tender, about 15 minutes. Drain and mash with butter and milk until smooth. Season with salt.

Assemble the pie

Spread the lentil mixture into a baking dish and top with mashed sweet potatoes evenly. Smooth the surface with a spatula.

Bake

Preheat the oven to 400°F (200°C). Bake the pie for 20 minutes or until the top is slightly golden.

Let the pie cool for a few minutes before serving.

Pro Tips

For extra flavor, try adding a tablespoon of tomato paste to the lentil filling. This adds a rich umami flavor that complements the savory notes beautifully.

Serving Suggestions

This Savory Sweet Potato Shepherd's Pie is a versatile dish that pairs beautifully with simple sides. A fresh green salad with a tangy vinaigrette adds a nice contrast to the rich pie. Alternatively, roasted vegetables or steamed greens can round out the meal nicely, providing additional nutrients and colors on the plate.

For an extra layer of flavor, consider drizzling a bit of balsamic reduction over the top just before serving. The acidity of the reduction elevates the dish by balancing the sweetness of the potatoes and the earthiness of the lentils.

Flavor Variations

You can easily customize the filling of this pie based on your taste preferences. Adding sautéed mushrooms or diced bell peppers can introduce different textures and flavors. For a spicier kick, toss in a pinch of red pepper flakes or some chopped jalapeños when sautéing the vegetables, which makes it a delightful twist on the classic shepherd's pie.

If you're looking to enhance the umami flavor, consider adding a tablespoon of tomato paste to the lentil mixture before simmering. This addition brings depth and reinforces the savory profile of the dish, complementing the herbs perfectly.

Questions About Recipes

→ Can I make this pie ahead of time?

Absolutely! You can prepare the filling and sweet potato topping in advance, then assemble and bake when you’re ready to serve.

→ What can I substitute for lentils?

Chopped mushrooms or a mix of other beans would work well as substitutes in this recipe.

→ Is this dish gluten-free?

Yes, this Savory Sweet Potato Shepherd's Pie is naturally gluten-free, making it a great option for gluten-sensitive individuals.

→ Can I freeze leftovers?

Yes, you can freeze leftovers! Just make sure to store them in an airtight container, and they should last for up to 3 months.