Lentil & Swiss Chard Soup with Lemon

DifficultyBeginner
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This soup layers tender lentils with aromatic vegetables, Swiss chard, and a splash of lemon juice to create a deeply satisfying and refreshing bowl. It’s comforting yet light, and thanks to the lemon and olive oil, it tastes vibrant rather than heavy.

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Yields4 Servings
Prep Time15 minsCook Time35 minsTotal Time50 mins
Base
 2 tbsp olive oil
 1 medium yellow onion, diced
 2 cloves garlic, minced
 1 carrot, diced
 1 celery stalk, diced
 1 tsp ground cumin
 ½ tsp ground coriander (optional)
 1 ¼ cups green or brown lentils, rinsed
 6 cups vegetable broth (or water with bouillon)
 1 bunch Swiss chard (about 5–6 cups chopped), stems and leaves separated
 Salt and black pepper to taste
Finish
 Juice of 1 lemon (about 2 tbsp), more to taste
 Zest of ½ lemon (optional, for extra brightness)
 Drizzle of good-quality olive oil
 Pinch of chili flakes or Aleppo pepper (optional)
Sauté the Aromatics
1
  1. In a large pot, heat olive oil over medium heat.

  2. Add onion, carrot, and celery, and sauté until softened (about 5–7 minutes).

  3. Add garlic, cumin, and optional coriander, and cook for 1–2 more minutes until fragrant.

Simmer the Lentils
2
  1. Stir in the lentils and vegetable broth. Bring to a boil, then reduce to a simmer.

  2. Cover and cook for 20–25 minutes, or until lentils are tender but not mushy.

Add the Swiss Chard
3
  1. While soup simmers, wash and separate Swiss chard stems from leaves. Chop both.

  2. Add the chopped stems to the pot first; cook for 5 minutes to soften.

  3. Stir in chard leaves and simmer for another 5–7 minutes until wilted.

Finish with Lemon
4
  1. Stir in the lemon juice, zest, and season with salt and pepper to taste.

  2. Taste and adjust—add more lemon juice for brightness or chili flakes for heat.

Serve
5
  1. Ladle into bowls and drizzle each serving with olive oil.

  2. Garnish with more lemon zest or herbs if desired (parsley, dill, or chervil work beautifully).

Tips for Success
6
  • Use green or brown lentils—they hold their shape better than red lentils.

  • Want creamier texture? Mash some of the lentils with a spoon or blend a cup of the soup and stir it back in.

  • For heartier meals, serve over cooked grains like farro, rice, or quinoa.

Variations
7
  • Add ½ tsp smoked paprika or harissa for deeper flavor

  • Sub kale or spinach for Swiss chard if preferred

  • Stir in a dollop of Greek yogurt (if not vegan) just before serving

Suggested Pairings
8
  • Serve with: Warm crusty bread or garlic naan

  • Drink with: Mint tea, dry rosé, or cucumber water

  • Occasion: Midweek dinner, light lunch, or meal prep star

Ingredients

Base
 2 tbsp olive oil
 1 medium yellow onion, diced
 2 cloves garlic, minced
 1 carrot, diced
 1 celery stalk, diced
 1 tsp ground cumin
 ½ tsp ground coriander (optional)
 1 ¼ cups green or brown lentils, rinsed
 6 cups vegetable broth (or water with bouillon)
 1 bunch Swiss chard (about 5–6 cups chopped), stems and leaves separated
 Salt and black pepper to taste
Finish
 Juice of 1 lemon (about 2 tbsp), more to taste
 Zest of ½ lemon (optional, for extra brightness)
 Drizzle of good-quality olive oil
 Pinch of chili flakes or Aleppo pepper (optional)
Lentil & Swiss Chard Soup with Lemon
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