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Red Lentil Carrot Ginger Soup

A rich tasting, lusciously textured red lentil soup with spiced potatoes

An elegant first course in a cup or a hearty satisfying main course in a bowl, you can go either way with this Red Lentil Carrot Ginger Soup. Rich and flavorful, this oil-free vegan red lentil soup is and ready to serve in less than 45 minutes.

Three white wedgewood cups of Red Lentil Soup with Carrot and Ginger garnished with spice potatoes and a sprinkle of Aleppo pepper.

Red Lentils

Red lentils are lentils that have had the outer hull removed and they are most often found split which is why they cook up really fast, usually in 20 minutes. Red lentils which have not been split also cook up fast, maybe 5 minutes more than the split and can certainly be used in this recipe. They should be rinsed prior to adding them to the pot. During cooking, red lentils will fade in color to yellow, but the carrots and red pepper will bring some of the orange hue back to the soup. Red lentils are almost always available in the bulk section of a well-stocked grocery store and also found already packaged in the rice and beans section of most grocery stores.

Carrots for the Red Lentil Soup

To keep some of that beautiful orange hue in the finished soup, try to find carrots  with the deepest orange colour or if you are lucky, the red carrots. Carrots from the Farmers market are beautiful these days. Orange or red carrots are the best for this soup for both taste and colour. Purple carrots, while orange inside, are not a good choice as they will make the soup grey in colour and they are not as sweet so they don’t balance the flavour the way orange carrots do.

Older ginger on a bamboo mat
Older ginger found in the produce section of grocery stores
Young ginger with its stalks on a wood board
Young Ginger fresh from the Farmers Market

Ginger for the Red  Lentil Carrot Ginger Soup

I have used both older ginger (the ginger typically found in the grocery store) and young ginger found at the Farmers market for this soup and they both flavor up the soup nicely. Old ginger is identified by the outer skin which gets harder as it ages once picked and is about the color of a russet potato and very opaque. The skin gets more opaque as it ages and  and the flesh becomes more piquante.

The skin on young or freshly harvested ginger is more translucent and sometimes has magenta and green hues in parts. Young ginger has more moisture, a brighter flavor and is less fibrous. When using older ginger, be sure to remove any long fibers before adding to the soup. If the ginger seems really tough instead of grating the ginger, you can cut crosswise into 1/8in coins, then blend in a hand bender or smash with a pounder.

Potatoes for the Red Lentil Carrot Ginger  Soup

The spiced potatoes transform this soup with their wonderful texture and added spiciness. Yukon Gold are always a good choice as they hold shape and take well to spices. I also use purple potatoes (or purple yams found at the farmers market) for the same reason and they add another vibrant color to the bowl. But purple potatoes and yams are not as widely available. If you find purple and want to use, the directions remain the same, but you may want to leave out the turmeric. Turmeric makes the purple not as pretty.

Don’t skip the Red Pepper (paste, jarred or fresh)

Mild or sweet red pepper paste deepens the flavor and will bring back some of the bright orange hue. I have made with and without red pepper paste, but far prefer with the red pepper paste. Red pepper paste can be found at Mediterranean markets, Spanish markets and specialty grocery stores. The terms mild and sweet on the labels are the same in that the peppers don’t have any piquante or heat (some labels call it mild, some call it sweet). I find mild/sweet the best as the “hot” is overpowering for this recipe. If you can’t find the red pepper paste, jarred whole red peppers are a good replacement. Be sure to read and compare labels for the sodium content to find the most appropriate for you (sodium levels range from about 40mg to 400mg per tablespoon). When red bell peppers are in season, a blended fresh red bell pepper adds a wonderful taste and colour too.

Three white wedgewood cups of Red Lentil Soup with Carrot and Ginger garnished with spice potatoes and a sprinkle of Aleppo pepper.

Red Lentil Carrot Ginger Soup

An elegant first course in a cup or a hearty satisfying main course in a bowl, you can go either way with this Red Lentil Carrot Ginger Soup.
Prep Time: 15 minutes
Cook Time: 30 minutes
Total Time: 45 minutes
Course: Main Dish, Soup
Cuisine: American, Mediterranean, Moroccan
Diet: SOS Free, Vegan, WFPB
Servings: 8 cups

Tools Used in this Recipe

  • salad spinner
  • scrub gloves or vegetable brush
  • prep bowls
  • Chef Knife
  • Cutting Board
  • white plate
  • Dutch oven
  • grater
  • wooden spatula
  • strainer
  • measuring cup
  • hand blender (immersion blender)
  • ladle


Red Lentil Soup

  • 2 cups red lentils
  • 1 cup finely diced onions
  • 1/4 cup grated ginger plus 1 Tbls, divided
  • 2 Tbls grated garlic about 4 cloves
  • 2 cups grated carrot (2–4 carrots depending on the size)
  • 1 tsp ground cumin
  • 2 tsps ground coriander
  • 2 tsps Aleppo pepper or 11/2 tsp paprika and 1/4 tsp cayenne use more if you like it piquante
  • 1/4 tsp black pepper
  • 3 Tbls sweet red pepper paste or 1 red pepper from a jar, blended to a puree
  • 2 Tbls sweet white miso or chickpea miso or 1 tsp sea salt, optional
  • 6 cups Mirepoix vegetable stock or water preferably hot
  • Splash of apple cider vinegar optional, just before serving, about 1 Tbls

The Potatoes

  • 4 potatoes
  • 1/4 tsp turmeric
  • 1/4 tsp ground cumin
  • 1/4 tsp ground coriander
  • 1/4 tsp Aleppo pepper or 1/4 paprika and 1/8 cayenne
  • 1/8 tsp black pepper
  • 2 cups water


Red Lentil Carrot Ginger Soup

  • Sort the Lentils: see video: Once sorted, place in a strainer, and set aside. It is better to rinse and drain right before adding to the pan because the lentils will clump together.
  • Sautee Onions: Heat the pot to medium with 2 or 3 tablespoons of water. When the water starts to boil (about 3–5 minutes), add the sliced onions (don’t let the water evaporate before adding the onions). Stir occasionally until the onions start turning translucent (3 minutes or so).
  • Cook ginger: Clear an area in the center of the pot and add the grated ginger. With the edge of the wooden spatula push the ginger down to form a layer. When it starts to stick and becomes fragrant (about 1–2 minutes) stir in with the onion.
  • Cook the garlic: Clear an area again in the center of the pot and add the grated garlic. With the edge of the wooden spatula push the garlic down to form a layer. When it starts to stick and becomes fragrant (about 1–2 minutes) stir in with the onion and ginger.
  • Toast the spices: And one more time, clear an area in the center of the pot and add the dried spices next. Allow to toast and become fragrant (about 1 minute). then stir in with the onion ginger garlic mixture. If the pan looks dry, add a 2–3 tablespoons of water or vegetable stock and stir to lift up some of the mixture that is sticking to the bottom of the pan.
  • Stir in the grated carrot, the sweet red pepper, and miso. Mix in with the rest of the ingredients in the pot.
  • Rinse and drain the lentils, then add to the pot and stir well to coat with the whole mixture. Pour in 2 cups of the water or vegetable stock and mix well. Then stir in one cup at a time of the rest of the water. Let simmer with the lid on for about 10 minutes during which time you can prepare and start the potatoes (see instructions below).
  • Check the lentils after 20 minutes. The lentils should be soft when done. If not done, continue to simmer another 5 to 10 minutes. This is also a good time to taste to see what if anything needs to be added.
  • Blend a portion: Once the lentils are soft enough, you can blend a portion of the soup using an immersion blender or standing blender. This step makes the soup more velvety.
    Immersion Blender: Place the immersion in the soup and make sure the blade part is totally immersed in the soup liquid and blend in the same spot for a few seconds at a time. Continue until the soup becomes the consistency you like.
    Standing Blender: Ladle out 2 cups of he lentil soup and put in the blender, allow to cool a few minutes before putting the lid on and blending. Put the lid on, while holding the lid down with a towel, blend until smooth then pour back in the soup pot.
  • Final Touches: Just before you serve add a splash of apple cider vinegar and the extra tablespoon of grated ginger to the whole pot and taste again. Add more vinegar and/or ginger if desired. To serve, ladle into cups or bowls and add as many potato cubes as you like to each serving. For an added hit of piquant, sprinkle with a little Aleppo or cayenne.

The Potatoes

  • Prep the Potoates: Wash and peel the potatoes. Cut into bite size cubes. Rinse and drain the cubes then place the potatoes in a 2–4 qt. pot.
  • Spice up the Potatoes: Sprinkle the potatoes with a light coating of all of the spices listed for the potatoes. Set aside for 10 minutes or so (this allows the spices to hydrate and become less gritty and you can start the soup if you wish.
  • Simmer the Potatoes: Add the 2 cups of water to the spiced potatoes, bring to a boil, lower the heat and let simmer with lid on, stirring occasionally until the potatoes are done (use a toothpick which should easily pierces through or taste one).
  • Test for doneness: The potatoes are usually ready about 15 minutes after lowering the heat and around the same time as the soup. If ready before the soup is, turn off the heat and remove from burner until the soup is ready.


SOS Free Version: Leave out the miso. The apple cider vinegar at the end wakes the soup up. Enjoy!
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