Lentil Pot Pie with Butternut Squash

Lentil Pot Pie with Butternut Squash tastes cozy and savory with a hint of sweetness from the squash and a flaky golden crust on top. It works perfectly for busy weeknights or casual dinner parties, and you can get it on the table in about 1 hour and 15 minutes. I first tested this version on a rainy Tuesday, and my family scraped the pan clean before I even sat down.

Why Lentil Pot Pie with Butternut Squash Is Worth It

This pot pie tastes rich and hearty, with lentils that feel meaty and butternut squash that turns tender and slightly caramelized. The thyme, garlic, and onion bring classic pot pie flavor, while a splash of cream or coconut milk keeps the filling silky and satisfying.

You can prep the filling ahead, use store bought crust, and still serve something that feels like a special homemade dinner. The recipe works well for vegetarians, meat eaters, and picky kids who just want something saucy under a flaky lid.

My whole family devoured this Lentil Pot Pie with Butternut Squash and asked for seconds before I could grab a photo ★★★★★

Ingredients You Need

Lentil and vegetable filling

• 1 cup brown or green lentils, rinsed
  • Brown or green hold their shape best; avoid red lentils here because they turn too soft.
• 3 cups vegetable broth or stock
  • Use low sodium if possible so you control the salt.
• 2 tablespoons olive oil or avocado oil
• 1 medium yellow onion, diced
• 2 medium carrots, diced
• 2 celery stalks, diced
• 3 cups peeled and cubed butternut squash, about 1 small squash
  • Frozen butternut squash works well and saves time; no need to thaw fully.
• 3 cloves garlic, minced
• 1 teaspoon dried thyme or 2 teaspoons fresh thyme leaves
• 1 teaspoon dried rosemary, crushed between your fingers
• 1 teaspoon smoked paprika or sweet paprika
• 2 tablespoons tomato paste
• 2 tablespoons soy sauce or tamari
  • Tamari keeps the recipe gluten free if you choose a gluten free crust.
• 1 teaspoon kosher salt, more to taste
• ½ teaspoon black pepper
• ½ cup frozen peas
• ½ cup frozen corn
• ½ cup heavy cream, half and half, or full fat coconut milk
  • Coconut milk gives a dairy free option with a slight coconut note that still tastes savory.

Thickening mixture

• 3 tablespoons unsalted butter or vegan butter
• 3 tablespoons all purpose flour
  • Use a 1 to 1 gluten free flour blend if you need a gluten free version.

Crust and topping

• 1 sheet puff pastry, thawed in the fridge
  • I like Pepperidge Farm or Trader Joe’s; check labels if you need dairy free or vegan.
• 1 egg beaten with 1 tablespoon milk for egg wash
  • Skip the egg and brush with milk or cream for an egg free option.
• Flaky salt or coarse salt for sprinkling on top, optional

Pantry shortcuts

• Use canned lentils in a pinch; drain and rinse 2 cups and reduce broth by about 1 cup.
• Use frozen mirepoix mix instead of chopping onion, carrot, and celery.
• Use frozen butternut squash cubes to cut prep time.
• Use store bought pie crust instead of puff pastry if that fits your pantry better.

Equipment list

• Large deep skillet or Dutch oven
• Medium saucepan for lentils if you cook them separately
• Wooden spoon or spatula
• 9 inch pie dish or 2 quart baking dish
• Rolling pin and sharp knife or kitchen scissors
• Pastry brush for egg wash
• Measuring cups and spoons

Quick Tips & substitutions

• Pre cook lentils until just tender, not mushy, so they hold texture in the oven.
• Cut butternut squash into even cubes so they cook at the same rate.
• Use canned lentils to save time; just reduce the broth and simmer less.
• Swap heavy cream with coconut milk or oat cream for a dairy free version.
• Choose tamari and a gluten free flour blend plus gluten free crust to keep the recipe gluten free.
• Use pie crust instead of puff pastry if you prefer a classic pot pie vibe.
• Keep the filling slightly saucy; it thickens more as it bakes and cools.
• Vent the crust with small slits so steam escapes and the top stays crisp.

How to Make Lentil Pot Pie with Butternut Squash

Cook the lentils

1. Add the rinsed lentils and vegetable broth to a medium saucepan.
2. Bring the mixture to a gentle boil over medium high heat, then lower the heat and simmer.
3. Cook the lentils for 20 to 25 minutes until they taste tender but still hold their shape.
4. Drain any excess liquid and set the lentils aside.

Sauté the vegetables

1. Heat the olive oil in a large deep skillet or Dutch oven over medium heat.
2. Add the onion, carrot, and celery, then stir and cook for 5 to 7 minutes until they soften and turn slightly golden.
3. Stir in the butternut squash cubes and cook for another 5 minutes so the edges start to color.
4. Add the garlic, thyme, rosemary, and smoked paprika, then stir for 1 minute until fragrant.

Build the flavor base

1. Stir in the tomato paste and cook it for 2 minutes to deepen the flavor.
2. Add the soy sauce or tamari, salt, and black pepper, then mix well.
3. Pour in about 1 cup of water or extra broth if the pan looks dry, and scrape up any browned bits.
4. Let the mixture simmer for 5 to 7 minutes until the squash starts to soften.

Make the roux and thicken the filling

1. In a small saucepan, melt the butter over medium heat.
2. Whisk in the flour and cook for 2 to 3 minutes until the mixture turns light golden and smells nutty.
3. Slowly whisk in 1 cup of vegetable broth or water, whisking constantly so no lumps form.
4. Simmer the mixture for 2 to 3 minutes until it thickens into a gravy like consistency.

Combine everything

1. Pour the thickened roux mixture into the skillet with the vegetables.
2. Add the cooked lentils, frozen peas, and frozen corn, then stir to combine.
3. Stir in the cream, half and half, or coconut milk until the filling looks creamy and coats the vegetables.
4. Taste and adjust salt and pepper; the filling should taste slightly more seasoned than you think you need.

Prep the baking dish and crust

1. Preheat your oven to 400°F and place a rack in the center.
2. Transfer the hot filling to a 9 inch pie dish or 2 quart baking dish and spread it into an even layer.
3. On a lightly floured surface, roll the puff pastry sheet slightly so it fits over your dish with a small overhang.
4. Lay the pastry over the filling, tuck or crimp the edges along the rim, and cut 4 to 5 small slits in the top.

Add egg wash and bake

1. Brush the top of the pastry with the egg wash or milk using a pastry brush.
2. Sprinkle a pinch of flaky salt on top if you like a little crunch and shine.
3. Place the dish on a baking sheet to catch any drips.
4. Bake for 25 to 30 minutes until the crust turns deep golden and the filling bubbles around the edges.

Rest and serve

1. Remove the pot pie from the oven and let it rest for at least 10 to 15 minutes.
2. This short rest helps the filling thicken slightly so it slices more neatly.
3. Scoop generous portions with a large spoon or cut wedges with a sharp knife.
4. Serve hot with a simple green salad or steamed vegetables on the side.

Recipe Variations

• Gluten free: Use tamari, a gluten free flour blend for the roux, and a gluten free pie crust or puff pastry.
• Vegan: Use olive oil or vegan butter, coconut milk or a plant based cream, and a vegan puff pastry or crust.
• Low carb: Reduce butternut squash to 1 cup and add more low carb vegetables like cauliflower or mushrooms.
• Extra protein: Add cooked chickpeas or white beans along with the lentils.
• Herb twist: Swap thyme and rosemary with Italian seasoning or fresh sage.
• Extra cozy: Stir in a handful of shredded sharp cheddar or vegan cheese into the hot filling before baking.

Ways to Serve Lentil Pot Pie with Butternut Squash

• Serve with a crisp green salad with lemony vinaigrette to cut through the richness.
• Pair with roasted Brussels sprouts or green beans for extra vegetables.
• Spoon a little hot sauce or chili crisp on top for a spicy kick.
• Add a side of mashed potatoes if you want full comfort food mode.
• Serve leftovers over steamed rice or quinoa for a quick lunch.

Storage Success

Let the Lentil Pot Pie with Butternut Squash cool to room temperature, then cover the dish tightly or transfer portions to airtight containers. Store in the fridge for up to 4 days and reheat in a 350°F oven until hot and bubbly, or warm single portions in the microwave. Freeze fully cooled pot pie in freezer safe containers for up to 2 months and thaw overnight in the fridge before reheating. If the filling thickens too much after chilling, stir in a splash of broth or cream while you reheat to bring back that silky texture.