Green Bean Purée Soup is the perfect example of how healthy food can be truly vibrant and flavorful. Green beans, a staple in European kitchens since the Age of Discovery, are paired here with tender new potatoes and delicate zucchini. The real secret of this recipe lies in toasting the whole coriander and cumin seeds first. The heat releases their essential oils, filling your kitchen with the aromas of an Eastern spice market. This vegetarian soup has an amazing ability to hide its vegetables, transforming them into a silky, creamy delight that even the pickiest little eaters will love.
This delicate and aromatic green bean purée soup is the perfect dish for a light lunch. Serve warm with fresh parsley.
Ingredients
- 400 g (14 oz) green beans
- 300 g (10.5 oz) potatoes
- 200 g (7 oz) zucchini
- 3 garlic cloves
- 1 green chili pepper
- 1 teaspoon each: cumin, coriander seeds, and mustard seeds
- 25 g (1.5 tbsp) vegetable oil
- Salt to taste
- Filtered water
How To Make Green Bean Purée Soup
Halve the green chili, remove the seeds, and trim the membrane—these hold the most heat. Crush and peel the garlic cloves. Finely dice the chili and garlic, transfer them to a mortar, and add a teaspoon of coarse sea salt. Grind into a smooth paste. Toast the coriander, mustard seeds, and cumin in a hot, dry skillet for 2 minutes. Grind the toasted seeds in the mortar. Heat vegetable oil in a heavy-bottomed pot, add the ground spices and chili-garlic paste, and sauté everything together for 1 minute.
Toasting the ground spices with chili and garlic creates a deep, rich flavor foundation for the dish.
Trim the ends of the green beans and pull off any tough fibrous strings running down the sides. Rinse the prepped beans thoroughly under cold running water.
Choose young, tender green beans for this soup. Make sure to trim the ends and remove any tough side strings.
Scrub the new potatoes or wash them with a stiff brush. Cut larger potatoes into several pieces. Chop the green beans into 3-4 sections.
Chop the vegetables into small pieces so they cook down quickly and evenly during simmering.
Add the chopped potatoes and green beans to the toasted spices. Toss in the zucchini, cut into thin slices. There is no need to peel young zucchini.
Add the potatoes, beans, and thinly sliced zucchini to the aromatic spices. There is no need to peel young zucchini.
Pour in 1 liter (about 4 cups) of boiling water. Bring the soup to a boil, reduce the heat to low, and simmer for about 40 minutes—the vegetables need to break down completely until very soft.
Simmer the vegetables over low heat for about 40 minutes until completely soft to ensure a perfectly smooth purée.
Purée the cooked soup with an immersion blender until it reaches a smooth, silky consistency.
Use an immersion blender to process the boiled vegetables into a perfectly smooth and creamy consistency.
Pass the puréed soup through a fine-mesh sieve. This is a crucial step to catch any stray zucchini seeds or tough green bean fibers. Straining ensures a flawlessly smooth and creamy texture.
Pushing the mixture through a sieve removes stray zucchini seeds and tough bean fibers for an ideal texture.
Return the soup to the pot and bring it back to a gentle boil. Taste and adjust the seasoning with salt, keeping in mind that the chili-garlic paste was already ground with coarse salt.
The finished soup is incredibly silky. Bring it to a gentle boil one last time and adjust the salt before serving.
Ladle the hot green bean purée soup into warm bowls and serve immediately.
To make your Green Bean Purée Soup look like a masterpiece from a fine dining restaurant, pay attention to the finishing touches. Serve it with crispy homemade garlic croutons or a handful of toasted pumpkin seeds to add a lovely textural contrast to the smooth cream. If you are not strictly fasting or eating vegan, a drizzle of heavy cream or a spoonful of grated Parmesan cheese right before serving will make the flavor even richer and more luxurious. Any leftover soup keeps beautifully in the refrigerator for up to two days, and the flavors will become even more balanced. When reheating, add a couple of tablespoons of hot water if the consistency has thickened too much. If you feel like experimenting, try swapping the zucchini for broccoli, or stir in a little coconut milk for an exotic Asian twist. This soup is a wonderful foundation for endless culinary creativity.
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