Caldo Verde (Portuguese Potato Soup with Kale and Sausage)

Quick answer

Total time: 50 min
Level: Easy
Servings: 4 servings
Ingredients: 8

About this dish

Caldo verde is Portugal's most emblematic soup, originating in the Minho region of the north and eaten across the country at festivals, family tables, and everyday meals.

A base of potatoes and onion is simmered in water until the potatoes fall completely apart, then blended smooth so the natural starch thickens the soup without any added cream, flour, or roux. The result is a velvety texture built entirely from vegetables and water. Sliced smoked chourico or linguica is added next, and as the sausage heats through its rendered fat and smoky salt diffuse through the broth, adding depth and richness that a plain potato soup cannot offer. Collard greens or kale are cut into the thinnest possible ribbons and cooked for only the final eight minutes, which keeps the color vivid green and the texture slightly resistant to the bite. Overcooking dulls the color to olive and turns the leaves soft and stringy. A drizzle of olive oil over each bowl and thick slices of broa, a dense Portuguese cornbread, alongside the soup allow the broth to soak into the crumb and complete what is otherwise a simple but deeply satisfying meal.

Ingredients

servings

IngredientAmountUnit

potatoes500 gg

kale150 gg

smoked sausage180 gg

onion120 gg

garlic2 eaea

olive oil1 tbsptbsp

water1200 mlml

salt1 tsptsp

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Instructions

Read the steps as a cooking flow: prep, heat, seasoning, doneness control, and finish.

6 steps

1

Heat

Peel 500 g potatoes and cut them into 3 cm chunks so they cook evenly.

Roughly dice 120 g onion, mince 2 garlic cloves, and keep the aromatics ready because they will go into the pot in quick sequence.
2

Control

Heat 1 tablespoon olive oil in a soup pot over medium heat until it shimmers.

Add the onion and cook for about 4 minutes until translucent, then add the garlic for only 1 minute so it smells fragrant without browning.
3

Control

Add the potatoes, 1200 ml water, and 1 teaspoon salt, then bring the pot to a boil over high heat.

Lower to a gentle simmer and cook 20 to 25 minutes, until a potato piece collapses easily under a fork.
4

Control

Reduce the heat briefly and blend the soup in the pot with an immersion blender.

Keep the blade fully under the liquid to prevent splashing, blend until velvety, and simmer uncovered 3 to 5 minutes if it looks too thin.
5

Control

Remove the stems from 150 g kale and slice the leaves into very thin ribbons.

Cut 180 g smoked sausage into 0.5 cm rounds, add both to the soup, and simmer gently for only 8 minutes.
6

Finish

Turn off the heat when the kale is bright green with a slight bite.

Check that the sausage saltiness is evenly distributed through the broth and serve the soup thick.

Practical Cooking Checks

The cues that matter most while cooking.

Key technique: Portuguese Caldo Verde uses pureed potatoes to create a velvet body for kale and garlic sausage.
Finish cue: Add the onion and cook for about 4 minutes until translucent, then add the garlic for only 1 minute so it smells fragrant without browning.
Avoid this: Do not overcook kale to keep color and texture.