Batch-Cook Lentil & Root-Vegetable Soup with Winter Greens

Every January, after the twinkle lights come down and the last cookie crumb disappears, I crave something that feels like a reset without tasting like punishment. A few winters ago, during the snowiest week on record, I threw every root vegetable lingering in my crisper into my largest stockpot, added a bag of French green lentils that had been eyeing me from the pantry, and finished the pot with a tangle of kale that looked a little worse for wear. The resulting soup was so comforting—earthy, slightly sweet, and stained garnet by tomatoes—that I’ve made a vat of it on the first Sunday of every month since. One afternoon of gentle simmering yields ten generous bowls that freeze like a dream, reheat like champions, and somehow taste even better when eaten in fuzzy socks with a slice of crusty sourdough. If you, too, want a nutritious, budget-friendly armor against winter’s chill, pull out your biggest pot and let’s get batch-cooking.

Ingredients You'll Need

Before we talk substitutions, let’s celebrate the stars. French green lentils (a.k.a. Puy lentils) stay pleasantly al dente and slate-colored even after a long simmer. If you can only find brown lentils, that’s fine—just shave five minutes off the cooking time to prevent blow-out. For the mirepoix plus, I combine onion, celery, and two whole leeks; the leeks melt into silky threads that thicken the broth without cream. Carrots and parsnips lend honeyed depth, while a single russet potato gives body; peel it if you like, but I keep the jacket for extra nutrients. A modest Fuji apple disappears into the soup, leaving behind a whisper of sweetness that balances the tomatoes.

Speaking of tomatoes, I reach for fire-roasted diced tomatoes for a smoky backbone. If you’re avoiding nightshades, swap in two tablespoons of white miso plus an extra cup of water. Vegetable broth is my go-to, but a low-sodium chicken broth works for omnivores. The winter greens can be anything hearty—curly kale, lacinato kale, collards, or a mix. If you only have baby spinach, stir it in during the last minute; it wilts instantly. Finally, a finishing splash of apple-cider vinegar brightens everything the way lemon does for chicken soup.

How to Make Batch-Cook Lentil & Root-Vegetable Soup with Winter Greens

Expert Tips

Variations to Try

• Moroccan Twist: Swap coriander and paprika for 1 tsp each cumin & cinnamon; add ½ cup dried apricots with lentils; finish with harissa.
• Smoky Bacon Version: Start by rendering 4 oz diced pancetta; use rendered fat instead of olive oil. Omit apple, add 1 tsp smoked salt.
• Curried Coconut: Replace paprika with 2 Tbsp mild curry powder; use coconut milk instead of water for the last 2 cups; top with cilantro.
• Grain-Lover’s Pot: Stir in ½ cup pearl barley during last 25 minutes of simmering; add extra ½ cup broth.

Storage Tips

Refrigerator: Cool soup completely, transfer to airtight containers, and refrigerate up to 5 days. The flavors deepen each day, making leftovers a treat.

Freezer: Ladle cooled soup into 2-cup glass jars or BPA-free plastic pint containers, leaving 1 inch headspace for expansion. Freeze up to 3 months. For quickest thawing, place jar in bowl of cool water 30 minutes, then slide frozen block into pot with ¼ cup water and reheat gently.

Make-Ahead Greens: If you plan to freeze most of the batch, add only half the greens during cooking; add fresh greens when reheating for brighter color.

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Batch-Cook Lentil & Root-Vegetable Soup with Winter Greens

(4.9 from 127 reviews)

Prep

20 min

Cook

45 min

Servings

10

Ingredients

• 3 Tbsp olive oil
• 2 cups diced yellow onion (1 large)
• 1¼ cups sliced celery (2 ribs)
• 2 leeks, white & light green parts only, halved, rinsed, sliced ½-inch
• 2 cups diced carrots (3 medium)
• 1½ cups diced parsnips (2 medium)
• 1 medium russet potato, scrubbed, ½-inch dice
• 2 cloves garlic, minced
• 1 tsp ground coriander
• ½ tsp smoked paprika
• ¼ tsp black pepper
• ¼ cup dry white wine or water
• 1½ cups French green lentils, rinsed
• 28 oz can fire-roasted diced tomatoes
• 6 cups low-sodium vegetable broth
• 2 cups water
• Optional: 1 Parmesan rind
• 1 bunch kale, ribs removed, torn (about 4 cups)
• 1 cup finely diced Fuji apple (1 small)
• 1 Tbsp apple-cider vinegar
• Kosher salt to taste

Instructions

1. Sauté aromatics: Heat olive oil in 7–8 qt pot over medium. Add onion, celery, and leeks with 1 tsp salt; cook 7 min until translucent.
2. Build base: Stir in carrots, parsnips, potato, garlic, coriander, paprika, and pepper; cook 5 min.
3. Deglaze: Pour in wine; scrape bits. Add lentils, tomatoes, broth, water, and Parmesan rind. Bring to boil, then simmer partially covered 30 min.
4. Finish: Add kale and apple; simmer 5 min. Remove rind. Stir in vinegar; season with salt.
5. Portion: Cool 20 min, ladle into jars, refrigerate 5 days or freeze 3 months.

Recipe Notes

For a smoky depth, add a dash of liquid smoke with the tomatoes. If you prefer a creamy soup, purée one-third of the finished soup and return to pot.

Nutrition (per serving, ~2 cups)

287

Calories

18g

Protein

42g

Carbs

5g

Fat