Pumpkin, Corn, and Lemongrass Soup

A silky smooth soup combining the sweetness of kabocha squash and corn with aromatic lemongrass. This Asian-inspired soup is both comforting and elegant, perfect for any season.

6 servings

43 min

Published October 4, 2025

Ingredients

•1 stalk fresh lemongrass stalk
•1 large onion
•2 tablespoons unsalted butter
•2 tablespoons olive oil
•1¾ pounds kabocha squash
•2½ cups corn kernels
•5 cups water
•¼ cup cilantro leaves

Cooking Instructions

1.
Cut off and discard top of lemongrass, leaving a 6-inch stalk, then smash stalk with side of a large heavy knife.
3 min
2.
Cook lemongrass, onion, and 1 teaspoon salt in butter and oil in a heavy medium pot over medium-low heat, stirring occasionally, until onion is softened, about 10 minutes. Add squash, corn, water, 1 1/2 teaspoons salt, and 1/2 teaspoon pepper and bring to a boil over high heat.
15 min
3.
Reduce heat and simmer, covered, stirring occasionally, until squash is tender, about 10 minutes. Remove from heat and discard lemongrass.
10 min
4.
Purée soup in 3 or 4 batches in a blender until very smooth (use caution when blending hot liquids), straining each batch as blended through a fine-mesh sieve into a large heatproof bowl, pressing hard on and then discarding solids. Season with salt and pepper and reheat if necessary.
15 min

Cooking Instructions

Cut off and discard top of lemongrass, leaving a 6-inch stalk, then smash stalk with side of a large heavy knife.

3 min

Cook lemongrass, onion, and 1 teaspoon salt in butter and oil in a heavy medium pot over medium-low heat, stirring occasionally, until onion is softened, about 10 minutes. Add squash, corn, water, 1 1/2 teaspoons salt, and 1/2 teaspoon pepper and bring to a boil over high heat.

15 min

Reduce heat and simmer, covered, stirring occasionally, until squash is tender, about 10 minutes. Remove from heat and discard lemongrass.

10 min

Purée soup in 3 or 4 batches in a blender until very smooth (use caution when blending hot liquids), straining each batch as blended through a fine-mesh sieve into a large heatproof bowl, pressing hard on and then discarding solids. Season with salt and pepper and reheat if necessary.

15 min