One-Pot Lentil & Root-Vegetable Stew with Spinach

The kind of soup that feels like a hand-knitted blanket on a frost-bitten evening—thick with tender lentils, sweet chunks of parsnip and carrot, ribbons of spinach that wilt into the broth, and a whisper of smoked paprika that drifts through your kitchen like incense. I developed this recipe during the first November I spent in my 1920s farmhouse, when the furnace quit at sunset and the only warm room was the kitchen. One pot, one wooden spoon, and a simmer that lasted just long enough for me to forget the cold existed. Ten years later, it’s still the pot I reach for when the forecast threatens snow, when friends call to say they’re on their way with red wine and stories, or when I simply need proof that dinner can be both effortless and extraordinary.

Ingredients You'll Need

Great stew starts with great building blocks. Here’s what to look for—and how to improvise if the supermarket shelves are as bare as the tree branches outside.

French green lentils (a.k.a. Puy lentils) hold their shape even after a long, lazy simmer. Their nutty flavor anchors the sweetness of root vegetables. If you only have brown lentils, reduce cooking time by 10 minutes and expect a softer bite. Red lentils will dissolve into mush—save those for curry nights.

Root vegetables are the joy of winter: carrots for classic sweetness, parsnips for fragrant earthiness, and a single russet potato to release starch and naturally thicken the broth. Look for firm, unblemished specimens; if the tops are attached, they should still look hydrated, not wilted. Avoid oversized parsnips—they can be woody at the core.

Fresh spinach wilts in seconds and keeps the color vibrant. Baby spinach needs no stemming; mature spinach benefits from a rough chop and a quick rinse in warm water to remove grit. In midsummer, substitute kale or chard; in February, a 10-oz block of frozen spinach (thawed and squeezed dry) works beautifully.

Smoked paprika is the stealth flavor bomb. Spanish pimentón dulce lends gentle smoke; if you only have sweet paprika, add a pinch of chipotle powder for depth. Store paprika in the freezer—its volatile oils fade fast at room temperature.

Tomato paste in a tube saves waste. You’ll only need 2 Tbsp, but its umami-rich sweetness balances the lentils’ earthiness. If you have half a can left from pizza night, freeze tablespoonfuls on a sheet tray and store in a zip bag.

Vegetable broth should be low-sodium so you control seasoning. Preferably homemade: save onion skins, carrot tops, and celery leaves in a freezer bag; simmer 45 minutes with peppercorns and bay, then strain. If you’re in a hurry, dissolve a good-quality bouillon cube in hot water and add a splash of soy sauce for complexity.

How to Make One-Pot Lentil & Root-Vegetable Stew with Spinach

Expert Tips

Variations to Try

• Moroccan twist: Swap cumin for 1 tsp ras el hanout and add a handful of golden raisins with the lentils. Finish with cilantro and toasted almonds.
• Coconut-curry comfort: Replace paprika with 1 Tbsp mild curry powder, use coconut milk for half the broth, and garnish with lime zest.
• Sausage-lover’s version: Brown 8 oz sliced vegan or pork sausage in Step 1, remove, and add back with the spinach.
• Grain bowl base: Serve over farro or brown rice, then top with a soft-boiled egg and chili crisp for a next-day lunch.
• Speedy pressure-cooker: Sauté in an Instant Pot, add liquids, cook on high pressure 12 minutes, quick-release, then stir in spinach.

Storage Tips

Refrigerate: Cool to room temperature within 2 hours, transfer to airtight containers, and refrigerate up to 5 days. The stew will thicken; thin with broth or water when reheating.

Freeze: Ladle into quart-size freezer bags, press out air, label, and freeze flat up to 3 months. Thaw overnight in the fridge or 5 minutes under running water, then simmer gently.

Make-ahead for guests: Prepare through Step 2 up to 48 hours ahead. Refrigerate in the pot; reheat slowly, then add spinach and lemon just before serving so the color stays jewel-bright.

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One-Pot Lentil & Root-Vegetable Stew with Spinach

(4.9 from 127 reviews)

Prep

15 min

Cook

35 min

Servings

6

Ingredients

• 2 Tbsp olive oil
• 1 medium onion, diced
• 2 garlic cloves, minced
• 2 Tbsp tomato paste
• 1 tsp smoked paprika
• ½ tsp ground cumin
• ¼ tsp black pepper
• Pinch red-pepper flakes (optional)
• 1 cup French green lentils, rinsed
• 2 carrots, diced
• 1 parsnip, diced
• 1 russet potato, diced
• 4 cups low-sodium vegetable broth
• 1 bay leaf
• 4 cups fresh spinach (or 10 oz frozen, thawed)
• 1 Tbsp lemon juice
• ½ cup chopped parsley

Instructions

1. Sauté aromatics: Heat olive oil in a Dutch oven over medium heat. Add onion and salt; cook 4 min until translucent. Stir in garlic, tomato paste, paprika, cumin, pepper, and red-pepper flakes; cook 2 min.
2. Deglaze & add veg: Pour in wine; scrape browned bits. Add lentils, carrots, parsnip, potato, broth, and bay leaf. Bring to a gentle boil.
3. Simmer: Reduce heat to low, partially cover, and simmer 25 min until lentils are tender.
4. Thicken if desired: Mash a few potato pieces against the side of the pot for a creamier texture.
5. Add greens: Stir in spinach; cook 2 min until wilted. Off heat, add lemon juice and parsley. Taste and adjust salt. Serve hot.

Recipe Notes

Stew thickens as it stands; thin with broth when reheating. Freeze portions flat in zip bags for up to 3 months.

Nutrition (per serving)

312

Calories

18g

Protein

42g

Carbs

9g

Fat