Sunday Lentil Shepherd’s Pie

Name: Sunday Lentil Shepherd’s Pie
Prep time: 15 min
Cook time: 45 min
Total time: 1 h
Yield: 6 servings
Ingredients: 1 cup green or brown lentils, rinsed; 1 onion, diced; 2 carrots, diced; 2 celery stalks, diced; 2 cloves garlic, minced; 1 cup vegetable broth; 1 tablespoon tomato paste; 1 tablespoon soy sauce; 1 teaspoon thyme; 1 teaspoon rosemary; Salt and pepper to taste; 4 large potatoes, peeled and diced; 1/4 cup milk (or plant-based alternative); 2 tablespoons butter (or olive oil); Salt and pepper to taste

Highlighted under: Comfort Food

I absolutely adore making Sunday Lentil Shepherd’s Pie, as it brings warmth and comfort to our family dinners. Each layer of this dish is packed with hearty lentils and seasonal vegetables, making it not only delicious but nutritious too. I love that it’s an easy way to incorporate plant-based protein while still satisfying that craving for something rich and hearty. With a creamy mashed potato topping, balanced with the savory filling underneath, this dish truly embodies the essence of cozy Sunday meals and is sure to please everyone at the table.

Created by

Hayley Morton

Last updated on 2026-01-10T12:34:14.181Z

When I first experimented with this Sunday Lentil Shepherd’s Pie recipe, I wondered if I could replicate the comforting flavors of the traditional meat version, but with lentils instead. I was astonished to discover that lentils create a meaty texture that pairs beautifully with the vegetables and spices. They are the unsung heroes of a plant-based diet!

One crucial tip I found is to let the filling simmer long enough so that all the flavors meld together. Adding a splash of balsamic vinegar toward the end really elevates the dish, bringing a depth of flavor that complements the lentils perfectly. This has now become a family favorite!

        Why You Will Love This Recipe
        Hearty and filling, perfect for Sunday dinners
Nutritious and rich in plant-based protein
Delicious layers of flavor with a creamy topping

      

Understanding the Ingredients

The foundation of this Sunday Lentil Shepherd’s Pie lies in the lentils, which offer a hearty texture and nutty flavor. Green or brown lentils are preferred for this recipe as they hold their shape better during cooking, unlike red lentils that tend to become mushy. If you happen to run short on lentils, you can substitute them with cooked quinoa or chickpeas for a different twist, but keep in mind that cooking times will vary.

In addition to lentils, the combination of onions, carrots, and celery—often called mirepoix—adds a depth of flavor to the filling. These aromatics should be sautéed until softened, which typically takes about five minutes. Use a large pot to ensure that they have enough space to cook evenly. If you like a hint of sweetness, consider adding a diced bell pepper or a splash of balsamic vinegar during this stage.

Perfecting the Mashed Potato Topping

A key aspect of achieving a creamy mashed potato topping is to ensure your potatoes are cooked thoroughly. Boiling them for around 15 minutes until fork-tender allows for easy mashing. For added creaminess, I recommend using a potato ricer to incorporate air, which yields a lighter, smoother texture. Don't hesitate to experiment with different types of potatoes; Yukon Golds or Russets will offer a delightful flavor and texture.

When it comes to the milk, you can use any variety—whole, low-fat, or even non-dairy alternatives like almond or oat milk. For an extra layer of flavor, consider adding roasted garlic or a sprinkle of grated cheese to the mash before spreading it on top of the pie. This small addition will elevate the overall richness and complement the savory lentil base beautifully.

Serving and Storing Suggestions

This dish is perfect for meal prep; it can be made ahead of time and stored in the refrigerator for up to three days. Just make sure it is cooled completely before sealing it in an airtight container. To reheat, place the pie in the oven at 350°F (175°C) until it is heated through—about 25-30 minutes will give you a hot, bubbly filling with a golden top.

Serving suggestions abound with this dish. You can enjoy it on its own, or pair it with a light side salad dressed in a vinaigrette to balance the richness. Additionally, if you have leftover lentil filling, it can be served over rice or enjoyed in wraps or even tacos for a quick and nutritious meal.

Ingredients

Gather the following ingredients for a delightful and filling meal:

Filling

1 cup green or brown lentils, rinsed
1 onion, diced
2 carrots, diced
2 celery stalks, diced
2 cloves garlic, minced
1 cup vegetable broth
1 tablespoon tomato paste
1 tablespoon soy sauce
1 teaspoon thyme
1 teaspoon rosemary
Salt and pepper to taste

Mashed Potato Topping

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

The ingredients listed will create a comforting dish sure to satisfy!

Instructions

Follow these steps for a comforting Shepherd’s Pie:

Prepare the Mashed Potatoes

Boil the potatoes in salted water until tender, about 15 minutes. Drain and mash them, then mix in milk, butter, salt, and pepper until smooth.

Cook the Filling

In a large pot, sauté the onion, carrots, and celery until soft, about 5 minutes. Add garlic and cook for an additional minute.

Combine Ingredients

Stir in the lentils, vegetable broth, tomato paste, soy sauce, thyme, rosemary, salt, and pepper. Bring to a boil, then reduce heat and let simmer for 25 minutes, or until lentils are tender.

Assemble the Pie

Preheat the oven to 400°F (200°C). Transfer the lentil filling to a baking dish and spread the mashed potatoes evenly on top. Use a fork to create texture on the surface.

Bake the Pie

Place the baking dish in the oven and bake for 20 minutes, or until the top is golden brown.

Let it cool slightly and serve warm for best results!

Pro Tips

For extra flavor, try adding different herbs or vegetables to the filling. Frozen peas or corn can add sweetness and color!

Common Troubleshooting

If your lentils seem undercooked after the suggested simmering time, it could be due to the age of your lentils. Older lentils can take longer to soften, so it's wise to check them periodically and add a splash more broth if necessary. On the flip side, be cautious not to overcook them, which can result in a mushy texture that detracts from the pie's appeal.

If you find the mashed potatoes are too thick, adding a bit more milk or even a splash of broth can help achieve a creamier consistency. On the other hand, if the mash is too runny, you can return it to the pot on low heat while stirring constantly until it thickens. Having the right texture is crucial for a topping that holds its shape.

Variations to Consider

For those looking to add extra nutrition, consider mixing in some finely chopped spinach or kale to your lentil filling towards the end of the cooking process. This will not only increase the health benefits but also add a nice pop of color. Additionally, spices like cumin or smoked paprika can give the filling a warm, earthy flavor that pairs well with the modest sweetness of the mashed potatoes.

Vegetable substitutions can also enhance this recipe based on what you have on hand. Sweet potatoes or butternut squash, for instance, can be used for a sweeter, more vibrant topping. Simply prepare them the same way as traditional mashed potatoes, adjusting cooking time as necessary to ensure they're fully tender before mashing.

Questions About Recipes

→ Can I make this dish ahead of time?

Yes, you can prepare the filling and mash the potatoes a day in advance. Just assemble and bake when you're ready to serve.

→ Can I freeze leftovers?

Absolutely! This dish freezes well. Just thaw in the fridge overnight before reheating.

→ What can I serve with this Shepherd's Pie?

It's lovely on its own, but you can serve it with a side salad or some steamed vegetables for a complete meal.

→ Are lentils gluten-free?

Yes, lentils are naturally gluten-free, making this dish suitable for those with gluten sensitivities.