Slow Cooker Red Lentil Pumpkin Soup

Updated November 13, 2025

Linda Xiao for The New York Times. Food Stylist: Monica Pierini.
Ready In
4 hr
Rating
5(930)
Comments
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The unexpected combination of red lentils and canned pumpkin make the base of this richly spiced, hands-off soup, seasoned with earthy turmeric, smoky paprika and citrusy coriander. The slow-cooker recipe leans on budget-friendly pantry items for a lot of flavor payoff with very little work. Before serving, it takes just 10 minutes to toast pepitas with cumin and fry some chopped red onion, quickly yielding finishing touches that make an outsize contribution. You can also make this soup on the stovetop: Just combine the ingredients in a large pot as you would the slow cooker, bring to a low simmer and cover the pot. Cook, stirring occasionally, until the lentils are tender, about 30 minutes. (You may need to adjust the texture for the stovetop by adding a little bit more water.) 

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Ingredients

Yield:4 to 6 servings
  • 1½ cups red lentils

  • 1 (15-ounce) can pumpkin purée

  • 1 teaspoon ground turmeric

  • 1 teaspoon smoked paprika

  • 1 teaspoon ground coriander

  • ½ teaspoon crushed red pepper (optional) 

  • ¼ teaspoon ground cinnamon

  • 4 tablespoons olive oil, divided

  • Kosher salt (such as Diamond Crystal)

  • ½ cup pepitas (pumpkin seeds)

  • ½ teaspoon cumin seeds

  • 1 red onion, chopped 

  • 1 lemon, juiced

Ingredient Substitution Guide
Nutritional analysis per serving (4 to 6 servings)

42 grams carbs; 350 calories; 9 grams monosaturated fat; 4 grams polyunsaturated fat; 2 grams saturated fat; 15 grams fat; 9 grams fiber; 407 milligrams sodium; 16 grams protein; 5 grams sugar

Note: The information shown is Edamam’s estimate based on available ingredients and preparation. It should not be considered a substitute for a professional nutritionist’s advice.

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Preparation

  1. Step 1

    Add the lentils, pumpkin, turmeric, paprika, coriander, red pepper, cinnamon, 1 tablespoon olive oil and 1 tablespoon salt to a 6- to 8-quart slow cooker; top with 5 cups water and stir to combine. Cook on high for 4 hours or on low for 6 hours, until the lentils are tender. (This soup holds well on warm if you need flexibility.)

  2. Step 2

    Before serving, warm 1 tablespoon olive oil in a small skillet over high heat. Add the pepitas, cumin seeds and, if the pepitas are unsalted, a pinch of salt. Cook, stirring constantly, until the pepitas are toasted and the cumin is sizzling and popping, 2 to 3 minutes. 

  3. Step 3

    Scrape the seasoned pepitas onto a paper-towel lined plate. Put the skillet back over high heat and add the remaining 2 tablespoons olive oil, the red onion and a generous pinch of salt. Cook, stirring often, until the onion is browned and softened, about 8 minutes. 

  4. Step 4

    Scrape the onion and its oil into the soup along with the lemon juice and stir to combine. Taste and add additional salt if necessary. 

  5. Step 5

    Serve the soup in bowls and sprinkle with the toasted pepitas. The soup will thicken as it cools, so adjust the texture with additional water as necessary.

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Ratings

5 out of 5
930 user ratings
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Comments

This soup was terrific and easy to make on a Saturday morning as rain and snow approached. Since I was juicing an entire lemon anyway, I zested it as well and added the zest, a habit I learned from Abra Berens in her Ruffage cookbook, and the extra lemon truly heightened the flavor of the soup, as it always does. I also sauteed the onions on medium-high rather than high, which caramelized them rather than blackened them. Love both lentil soups as well as pumpkin. Greens would be a welcome addition, and I will likely stir in some baby arugula to the rest of the pot. Would definitely make again--always welcome and look forward to this author's slow-cooker and soup recipes, and I love soup all year round but especially in the cooler months.

I appreciate that this is a really budget friendly recipe but unique! Many families will need recipes like this made from pantry items more than ever.

Having harvested 20 butternut squash from my garden, I do it all the time. I roast the squash and then scoop it out discarding the skin.

The lemon juice ruined this for me. I tasted before adding the lemon and thought it was fantastic. Then I added the lemon (it was a very juicy lemon with a lot of juice) and thought the flavors became muddied and too acidic. If I make again, I'll forego the lemon entirely or just a small squeeze. My husband, who hadn't tasted pre-lemon, thought it was good however. Added 5 oz carton of spinach which was the right amount.

Declicious soup!! I made it on the stovetop and added chopped spinach upon serving.

So easy to make and delicious. My slow cooker blew after I plugged it in so I made it on the stove top. Added a bag of fresh spinach at the end.

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