One-Pot Lentil & Root-Vegetable Stew with Spinach

A soul-warming, nutrient-packed bowl that comes together in a single pot and feeds the whole table—yes, please! This emerald-accented beauty is my weeknight superhero when the air turns crisp and the kids start sniffing around the kitchen at 5 p.m. asking, “What’s for dinner?”

I first threw this stew together on a frantic Tuesday after soccer practice. The fridge held a limp bag of spinach, a mountain of carrots, and one sad parsnip. A half-empty bag of French green lentils sat in the pantry. Thirty-five minutes later, we were passing crusty bread around the table, ladling thick, fragrant spoonfuls of comfort into bowls, and everyone—yes, even the picky eight-year-old—went back for seconds. Since then, this recipe has followed us to potlucks, camping trips, and holiday buffets. It scales like a dream, keeps for days, and tastes even better on the reheat. If your family craves something hearty, healthy, and hassle-free, bookmark this page right now.

Ingredients You'll Need

Great stew starts at the grocery store. Here’s what to look for and why each ingredient matters:

French green or black beluga lentils: These petite varieties hold their shape during simmering, unlike red lentils that melt into mush. Rinse them under cold water and pick out any pebbles. If you only have brown lentils, pull the pot off the heat five minutes earlier so they don’t turn to mush.

Root vegetables: I use a classic mirepoix of onion, carrot, and celery plus sweet potato and parsnip for natural sweetness. Choose firm, unblemished produce. If parsnip feels like hunting for buried treasure, swap in more carrot or a diced turnip for peppery bite.

Fire-roasted crushed tomatoes: They bring smoky depth without extra effort. In tomato off-season, they’re miles ahead of bland crushed varieties.

Vegetable broth: Reach for low-sodium so you control salt levels. Homemade is gold, but Pacific or Imagine boxed broths are reliable weeknight allies.

Fresh baby spinach: A giant 5-oz clamshell wilts down to almost nothing. If you’re feeding spinach skeptics, chop it finely so it disappears into the stew.

Smoked paprika & ground cumin: The smoky-spicy duo turns earthy lentils into something irresistible. Replace paprika with regular sweet paprika plus a pinch of chipotle powder if needed.

Apple cider vinegar & pure maple syrup: A splash of acid brightens flavors, while a whisper of sweetness balances the smoke. Don’t skip either—together they’re the secret handshake of this stew.

Olive oil & bay leaf: A generous glug of oil starts the sauté; bay leaf perfumes the broth. If your bay leaves have been in the pantry since 2019, treat yourself to a fresh jar.

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

Expert Tips

Variations to Try

• Moroccan twist: Swap cumin & paprika for 1 tsp each ground coriander and cinnamon, add ½ cup golden raisins and a squeeze of orange juice.
• Green curry vibe: Replace tomato paste with 2 tsp Thai green curry paste, use coconut milk for half the broth, and finish with lime juice and cilantro.
• Bean bonanza: Replace half the lentils with canned chickpeas for varied texture; add during the final simmer so they stay intact.
• Meat lovers: Brown 8 oz Italian turkey sausage first, then proceed with vegetables. Use chicken broth instead of vegetable.
• Low-carb roots: Sub diced turnip and rutabaga for sweet potato to slash carbs while keeping cozy sweetness.
• Grains inside: Add ½ cup quick-cooking quinoa or millet during the last 12 minutes for a complete one-pot meal with extra chew.

Storage Tips

Refrigerator: Cool stew completely, transfer to airtight containers, and refrigerate up to 5 days. The flavor actually peaks on day 2 when spices have fully mingled.

Freezer: Portion into freezer-safe containers leaving ½-inch headspace for expansion. Freeze up to 3 months. Thaw overnight in the fridge or use the microwave’s defrost setting.

Reheat: Warm gently over medium-low heat, stirring often and adding broth or water to loosen. Microwave works too—cover loosely and heat 2 minutes at a time, stirring between bursts.

School thermos: Pre-heat the thermos with boiling water for 5 minutes, drain, then fill with steaming stew. It will stay warm until lunchtime.

Frequently Asked Questions

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One-Pot Lentil & Root-Vegetable Stew with Spinach

(4.9 from 127 reviews)

Prep

10 min

Cook

30 min

Servings

6

Ingredients

• 2 Tbsp olive oil
• 1 medium yellow onion, diced
• 2 medium carrots, sliced ¼-inch
• 2 celery ribs, sliced ¼-inch
• 2 tsp tomato paste
• 1 tsp smoked paprika
• 1 tsp ground cumin
• ½ tsp dried thyme
• 1 bay leaf
• 4 cups low-sodium vegetable broth
• 1 can (14 oz) fire-roasted crushed tomatoes
• 1 cup French green or black lentils, rinsed
• 1 medium sweet potato, ½-inch dice
• 1 parsnip, ½-inch dice (or extra carrot)
• 1 ½ tsp kosher salt, plus more to taste
• ¼ tsp black pepper
• 1 Tbsp apple cider vinegar
• 1 tsp pure maple syrup
• 5 oz baby spinach

Instructions

1. Heat pot: Warm olive oil in a Dutch oven over medium heat.
2. Sauté veggies: Add onion, carrots, celery, and salt. Cook 5 min until softened.
3. Bloom spices: Stir in tomato paste, paprika, cumin, thyme; toast 1 min.
4. Deglaze: Pour in broth and tomatoes; scrape bottom. Add bay leaf, pepper, lentils, sweet potato, parsnip. Bring to a simmer.
5. Simmer: Cover partially; cook 20 min until lentils are tender.
6. Finish: Remove bay leaf. Stir in vinegar, maple syrup, salt. Fold in spinach until wilted. Serve hot.

Recipe Notes

Stew thickens as it stands. Thin with broth or water when reheating. Flavor improves overnight; perfect for meal prep.

Nutrition (per serving)

285

Calories

18g

Protein

42g

Carbs

6g

Fat