Red Lentil Soup with Coconut Milk and Spinach Recipe | Sur La Table (2024)

Serves

Makes 6 servings

Ingredients

  • 1 medium yellow onion, diced (about 1 cup)
  • 2 tablespoons coconut or peanut oil
  • 4 garlic cloves, smashed
  • Kosher salt
  • 3 teaspoons finely grated fresh ginger, divided
  • 2 teaspoons mustard seeds
  • 2 teaspoons ground turmeric
  • 1 teaspoon ground coriander
  • 1 teaspoon ground fennel
  • ¾ teaspoon red pepper flakes
  • 3½ cups water
  • 14-ounce can coconut milk
  • 1 cup red lentils, rinsed
  • 6 ounces (about 6 cups) baby spinach, roughly chopped
  • 2 tablespoons lime juice
  • Unsweetened coconut flakes and chopped tomato, to garnish (optional)

Procedure

Our red lentil soup is a simplified spin on a Goan staple. Split red lentils, the foundation of the dish, cook in minutes, making this a quick weeknight meal. The blend of coriander, fennel and turmeric capture the essence of the dish’s complex spicing without requiring the cook to pull out half the spice cabinet. A shot of lime juice cuts through the starchiness. Fresh ginger added welcome brightness and adding a portion of it at the end kept the flavor vibrant; grating the ginger on a wand-style grater was best. If you can’t find ground fennel, grind whole seeds in a mortar and pestle or a spice grinder. Both virgin and refined coconut oil worked, but virgin had a slightly stronger flavor. Yellow and brown mustard seeds both were good.

Don’t substitute brown or green lentils for the split red lentils. Red lentils break down as they cook, thickening the cooking liquid and providing the ideal texture for this soup. Other lentil varieties remain intact even when fully cooked.

In a Durotherm over medium-high (if using gas, don’t let the flames reach the sides of the pot), combine the onion, oil, garlic and 1½ teaspoons salt. Cook, stirring, until the onions have softened and are just beginning to color, 6 to 8 minutes. Stir in 2 teaspoons of the ginger, the mustard seeds, turmeric, coriander, fennel and pepper flakes. Cook, stirring, until fragrant, about 1 minute. Add the water, coconut milk and lentils, then cover and bring to a simmer. Simmer for 7 minutes.

Without removing the lid, transfer the pot from the stove to the heat retaining base. Allow soup to sit, covered, for at least 15 minutes to finish cooking. Covered, soup will stay hot for up to 2 hours.

When ready to serve, stir in the spinach. If the spinach does not wilt, return pot to the stovetop to simmer for 5 minutes. Off the heat, add the remaining 1 teaspoon of ginger and the lime juice and season with salt. Serve garnished with coconut flakes and tomato, if using.

By Christopher Kimball

Serves

Makes 6 servings

Ingredients

  • 1 medium yellow onion, diced (about 1 cup)
  • 2 tablespoons coconut or peanut oil
  • 4 garlic cloves, smashed
  • Kosher salt
  • 3 teaspoons finely grated fresh ginger, divided
  • 2 teaspoons mustard seeds
  • 2 teaspoons ground turmeric
  • 1 teaspoon ground coriander
  • 1 teaspoon ground fennel
  • ¾ teaspoon red pepper flakes
  • 3½ cups water
  • 14-ounce can coconut milk
  • 1 cup red lentils, rinsed
  • 6 ounces (about 6 cups) baby spinach, roughly chopped
  • 2 tablespoons lime juice
  • Unsweetened coconut flakes and chopped tomato, to garnish (optional)

Procedure

Our red lentil soup is a simplified spin on a Goan staple. Split red lentils, the foundation of the dish, cook in minutes, making this a quick weeknight meal. The blend of coriander, fennel and turmeric capture the essence of the dish’s complex spicing without requiring the cook to pull out half the spice cabinet. A shot of lime juice cuts through the starchiness. Fresh ginger added welcome brightness and adding a portion of it at the end kept the flavor vibrant; grating the ginger on a wand-style grater was best. If you can’t find ground fennel, grind whole seeds in a mortar and pestle or a spice grinder. Both virgin and refined coconut oil worked, but virgin had a slightly stronger flavor. Yellow and brown mustard seeds both were good.

Don’t substitute brown or green lentils for the split red lentils. Red lentils break down as they cook, thickening the cooking liquid and providing the ideal texture for this soup. Other lentil varieties remain intact even when fully cooked.

In a Durotherm over medium-high (if using gas, don’t let the flames reach the sides of the pot), combine the onion, oil, garlic and 1½ teaspoons salt. Cook, stirring, until the onions have softened and are just beginning to color, 6 to 8 minutes. Stir in 2 teaspoons of the ginger, the mustard seeds, turmeric, coriander, fennel and pepper flakes. Cook, stirring, until fragrant, about 1 minute. Add the water, coconut milk and lentils, then cover and bring to a simmer. Simmer for 7 minutes.

Without removing the lid, transfer the pot from the stove to the heat retaining base. Allow soup to sit, covered, for at least 15 minutes to finish cooking. Covered, soup will stay hot for up to 2 hours.

When ready to serve, stir in the spinach. If the spinach does not wilt, return pot to the stovetop to simmer for 5 minutes. Off the heat, add the remaining 1 teaspoon of ginger and the lime juice and season with salt. Serve garnished with coconut flakes and tomato, if using.

Red Lentil Soup with Coconut Milk and Spinach Recipe | Sur La Table (2024)

FAQs

Do you need to soak red lentils before making soup? ›

Red split lentils are nutty and sweet tasting, and they have a great creamy consistency that makes them perfect for hearty soups and stews. Plus, they cook so fast, and you never have to soak them in advance. That's why, they make a perfect go-to on busy weeknights.

How do you thicken red lentil soup? ›

Add flour or cornflour

Put a tablespoon of either into a small bowl and stir in 2-3 tbsp of the soup until you have a smooth mixture. Stir this back into the soup and bring it to a simmer. Cook for a few minutes to allow the starch granules to burst to thicken, and to cook out any flour flavour.

Is red lentil soup good for you? ›

Incorporating red lentils to your diet can help you easily meet your fiber and protein needs. Red lentils also contain a significant amount of folate, which is a superhero involved in cell division. If someone eating plant-based does not get enough folate, it can affect the way DNA is made in our body.

Why is my lentil soup not thick? ›

Cook It Longer

Sometimes soup just needs to simmer longer to reach the perfect consistency. Check to see if the vegetables are tender, and then taste the broth. If the soup tastes a bit watery, give it more time.

What happens if you don't soak red lentils? ›

Do red lentils need to be soaked before cooking? No, there is no need to soak red lentils before cooking but it is a good idea to give them a quick rinse.

What happens if you don't pre soak lentils? ›

Soaking dried beans and lentils before cooking is not always necessary, but it can help reduce cooking time and improve their digestibility. Here's what happens if you don't soak them: 1> Longer Cooking Time: Beans and lentils that haven't been soaked will generally take longer to cook compared to soaked ones.

Does coconut milk thicken soup? ›

Not only does coconut milk and cream thicken the soup, but it adds a beautiful creamy taste to it too. The beauty of using coconut milk or cream is how effortless it is to add it to the soup. Coconut milk is typically a more stable product than cream, and it can be added at any part of the simmering process.

Can you overcook lentils in soup? ›

Yes, you can overcook lentils; they will become mushy. Much depends on the type of lentil you're using. Some cook quicker and hold their shape better than others. To avoid overcooking them, always follow the cooking directions in your recipe and use the type of lentils called for in the ingredient list.

How much liquid for red lentils? ›

Rinse your lentils with fresh water before boiling to remove any dust or debris. Cook on a stovetop, using 3 cups of liquid (water, stock, etc) to 1 cup of dry lentils. Be sure to use a large enough saucepan as the lentils will double or triple in size.

Which color lentil is healthiest? ›

Black Lentils (Beluga lentils)

Thanks to the robust flavor, these lentils pair well with meaty veggies and marinated proteins like mushrooms, tofu, and seitan. Best of all, black lentils are the most nutritious variety of lentils, boasting the highest amount of protein, plus high levels of calcium, potassium, and iron.

Is lentil soup good for losing belly fat? ›

3. Get rid of that spare tire: In a recent 18-month study, folks who enjoyed lots of pulses (edible seeds of leguminous plants) like lentils lost more belly weight! Their fibre intake was higher, vitamins and minerals like chromium were better maintained, and the glycemic index of their meals was lower.

Can I eat lentil soup everyday? ›

Eating half a cup of cooked lentils gives you lots of essential nutrients and their high fiber content makes you feel full. However, the fiber in lentils can be hard for your body to break down. Eating too many lentils can cause gas, bloating, and cramping.

Why does my lentil soup taste bad? ›

A lot of types of bacteria (and sometimes other microbes) produce waste products that can taste "sour." And soup/stock is a good growth medium for microbes, which is why most food safety organizations recommend only keeping soup for 3-4 days in the fridge.

How to spice up bland lentil soup? ›

In this lentil recipe, I start with onions and garlic cooked in good extra virgin olive oil, adding in Mediterranean spices like cumin, coriander, and sumac. The spicy kick comes from a dash of crushed red pepper flakes, which you can adjust to your taste if you don't want the soup to be too spice.

Why does my lentil soup taste sour? ›

If they taste sour, and they were left out for three days, they probably have some bacterial growth. Whether or not they are “bad” (pathogenic) bacteria you'll only know with a lab test or by eating them and seeing if you get sick. Unless they are the most delicious / expensive lentils in the world, I wouldn't risk it.

Do dried red lentils need soaking? ›

Lentils to do not require soaking like other pulses. Rinse your lentils with fresh water before boiling to remove any dust or debris.

How long to soak red lentils before cooking? ›

In a large bowl, rinse and soak your red lentils for around 4 hours or overnight. Be sure to cover the lentils with enough water as they are going to soak up quite a bit. Once soaked, drain and rinse thoroughly.

Should you cook lentils before adding them to soup? ›

Do you cook lentils before adding to soup? Nope! Dried lentils cook in 35 minutes in the soup, and there's no need to soak them either!

Why won't my lentils soften in soup? ›

Editor: First, I wonder how old your lentils are. If they're more than a year or two old, they will often stay crunchy in the middle no matter how long you cook them! Another trick is to wait to add salt or acidic ingredients until near the end of cooking.

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