Spicy Lentil Soup with Chili and Lemon

Red lentil soup in a white bowl topped with yogurt and parsley
Red lentil soup in a white bowl topped with yogurt and parsley


I never understood soup for dinner. Something about a bowl of broth, no matter how many shreds of meat or mushy vegetables are thrown in, is unsatisfying and often sad. I never found a soup I liked enough to crave it come dinnertime, or put in the effort to make. Until recently, when I found myself scraping the last bits of this soup from the pot and eating straight from the ladle like it was cake batter.

It was completely unplanned. I was too tired to go to the grocery store after work so I decided to finally use up that bag of red lentils that had been in my pantry collection since college, along with a couple of other canned items on shelves nearby. I only had to reach for a few spices and just two items from the refrigerator (there wasn’t much else in there), and 30 minutes later I had a dazzling soup, warming and hearty, with a zesty, spicy flavor that was more radiant than any humble soup I had ever tasted.

Red lentil soup in a white bowl topped with yogurt and parsley

I couldn’t believe I’d neglected those red lentils for so long. Unlike green and brown lentils, red lentils are hulled and split when you buy them. They cook much faster than other varieties, making them ideal for a weeknight soup. Their more attractive color makes them ideal if you’re sharing that soup with family members.

In order to make these lentils really shine, I knew I had to rub them down with the punchiest flavors available in my house. Onion, garlic, and ginger was a good place to start. Cumin and turmeric followed, but the flavor was still too predictable and reminiscent of countless curries I’ve had. I wanted to treat the lentils like ruby-red royalty.

Red lentil soup in a white bowl topped with yogurt and parsley

So I grabbed a jar of gochujang, or spicy Korean chile paste, that had similarly been neglected in my pantry collection. I added a thick dollop to the pot before adding the lentils, a can of diced tomatoes, and a can of coconut milk. If you don’t have gochujang, I suggest buying it right now and then putting it on everything. If you’d rather make this soup tonight, just use sriracha, hot sauce, or red pepper flakes.

About 20 minutes later, the lentils were tender and had absorbed the medley of intense flavors. I squeezed in some lemon for an extra shot of vibrancy then served it up. I topped my portion with a drizzle of good olive oil, a dollop of greek yogurt, and a flurry of chopped cilantro.

The end result was lighter than typical meat-centric dinners, with a buoyant, lemony surface grounded by a deep cumin and chili base. Bright, layered, interesting, and made with ingredients you probably have right now, you can make this soup whenever you want, especially if it’s for dinner.

Spicy Lentil Soup with Chili and Lemon
Prep Time
10 mins
Cook Time
25 mins
Total Time
35 mins
A flavorful, hearty dinner that comes together easily with just a few pantry staples.
Course: Main Course
Cuisine: American
Keyword: chile paste, Lemon, lentil soup
Servings: 4
Calories: 407 kcal
What you need
For the soup:
  • 2 tablespoons extra virgin olive oil
  • 1/2 medium onion chopped (about 1/2 cup)
  • 2 cloves garlic minced (about 2 teaspoons)
  • 2 tablespoons minced fresh ginger
  • kosher salt as needed
  • 1 teaspoon cumin
  • 1/2 teaspoon ground turmeric
  • 1 tablespoon hot chile paste such as gochugang*
  • 1 cup dry red lentils thoroughly rinsed and drained
  • 1 14-ounce can diced tomatoes (preferably no-salt-added)
  • 1 14-ounce can lite coconut milk
  • 1 tablespoon coconut sugar or sweetener of choice
  • Freshly cracked black pepper as needed
  • 2 tablespoons fresh-squeezed lemon juice (juice of about 1/2 a lemon)
For serving (optional):
  • Bread for dipping like pita, naan, or baguette
  • Greek yogurt
  • Fresh chopped cilantro
  • Additional lemon wedges
What you do
Toast spices
  1. Heat oil in a medium saucepan over low heat. Cook onion, garlic and ginger stirring often, until softened, 5 minutes. Season with 1/2 teaspoon of salt. Add cumin, turmeric, and gochujang and cook, stirring, until fragrant, about 2 minutes.

Add lentils, tomatoes, and coconut
  1. Stir in lentils and cook, stirring, 2 minutes more. Add tomatoes, coconut milk, 2 teaspoons of salt, and sugar. Bring to a simmer and cook (covered), stirring occasionally, until lentils are soft but not mushy, 20–25 minutes. Stir in lemon juice and season with freshly cracked black pepper.

Serve it up
  1. Taste and adjust seasonings as needed, adding more chile paste for heat, coconut sugar for sweetness/flavor balance, or a pinch of salt. Serve topped with cilantro, greek yogurt, and bread for dipping (optional, but, duh). Squeeze an extra wedge of lemon or a drizzle of olive oil on top if desired.

If you do not have chile paste, you can substitute sriracha, hot sauce, or red pepper flakes, just reduce the amount to 2 teaspoons, adding more to taste.

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