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Simple Thai-style Lemongrass Shrimp Soup

The aroma of lemongrass and ginger simmering on the stove instantly transports me back to a small, family-run restaurant I discovered in Bangkok. Rain pattered softly on the tin roof as I savored a steaming bowl of Tom Yum Goong, the flavors a vibrant dance on my tongue. That memory, a haven of warmth and spice, inspired me to recreate the essence of that soup, simplifying it for the home cook without sacrificing any of its soul-satisfying character.

Recipe Overview

Prep Time: 15 minutes
Cook Time: 15 minutes
Total Time: 30 minutes
Servings: 4
Yield: 4 bowls
Dietary Type: Dairy-Free

Ingredients

1 stalk lemongrass
6 slices gingerroot
1 lime
2 small red chilies
4 cups water
4 tablespoons fish sauce
1 teaspoon chili paste with garlic
6 ounces tomatoes, cut into chunks
4 ounces mushrooms, sliced (white or baby bella)
25 small cooked shrimp
2 tablespoons cilantro

Equipment Needed

Large saucepan or pot
Knife
Cutting board

Instructions

Begin by preparing the lemongrass. Cut off the dry end and the tough, upper leaves. Bruise the stem by gently hitting it with the handle of a knife to release its fragrant oils. Then, cut the bruised stem into 1-inch long pieces and set aside.
Prepare the chilies. Bruise the chilies by pressing them lightly. Cut them in half lengthwise, and then scoop out and discard the seeds. Removing the seeds reduces the heat level, allowing the other flavors to shine. Reserve the halved chilies.
In a large saucepan or pot, bring the water to a boil over high heat.
Add the prepared lemongrass pieces and ginger slices to the boiling water. Squeeze the juice from half of the lime directly into the water. The lime juice adds a crucial layer of acidity that balances the other flavors.
Let the mixture boil for 2-3 minutes to infuse the water with the flavors of lemongrass, ginger, and lime.
Stir in the fish sauce and chili-garlic paste. These two ingredients provide the salty, savory, and spicy base for the soup. Cook for another minute to allow the flavors to meld together.
Add the tomatoes and mushrooms to the pot. Cook for another 2-3 minutes, or longer if desired, until the soup returns to a boil and the tomatoes begin to soften and break down slightly. This helps to thicken the soup and release their natural sweetness.
Squeeze the juice from the remaining half of the lime into the soup. Taste and adjust the seasoning if needed, adding more fish sauce for saltiness or chili-garlic paste for heat.
Remove the pot from the heat.
Add the halved chilies to the soup and let them steep for a few seconds to impart their flavor without overpowering the dish.
Gently stir in the cooked shrimp. Since the shrimp are already cooked, you only need to heat them through. Overcooking will make them rubbery.
Garnish with fresh cilantro before serving. The cilantro adds a bright, fresh finish to the soup.
Ladle the soup into bowls and serve immediately. Be sure to warn your guests that the lemongrass, ginger, and chilies are meant to infuse the soup with flavor and are not meant to be eaten. You can either try to carefully pour the soup without including these ingredients or simply inform your guests to avoid them. Leaving them in the soup while eating will continue to enhance the flavor.

Expert Tips & Tricks

Bruising is Key: Don’t skip the step of bruising the lemongrass and chilies. This releases their essential oils, maximizing their flavor contribution to the soup.
Adjust the Heat: If you’re sensitive to spice, start with a small amount of chili-garlic paste and add more to taste. You can also use milder chilies.
Freshness Matters: Using fresh lemongrass, ginger, and lime will result in a much more vibrant and flavorful soup than using dried or bottled versions.
Don’t Overcook the Shrimp: Overcooked shrimp are tough and rubbery. Add them at the very end, just before serving, to ensure they stay tender.
Make it Ahead: The soup base (before adding the shrimp) can be made a day or two in advance and stored in the refrigerator. This allows the flavors to develop even further. Simply reheat and add the shrimp before serving.

Serving & Storage Suggestions

Serve the soup hot, garnished with fresh cilantro. A wedge of lime on the side allows guests to adjust the acidity to their liking.

Leftovers can be stored in an airtight container in the refrigerator for up to 2 days. The shrimp may become slightly firmer upon reheating. To reheat, gently warm the soup over low heat on the stovetop or in the microwave. Avoid boiling, as this can overcook the shrimp.

This soup is best enjoyed fresh and is not recommended for freezing, as the texture of the shrimp and vegetables may change.

Nutritional Information

Nutrient	Amount per Serving	% Daily Value
Calories	120 kcal	6%
Total Fat	3g	4%
Saturated Fat	1g	5%
Cholesterol	85mg	28%
Sodium	950mg	41%
Total Carbohydrate	9g	3%
Dietary Fiber	2g	7%
Sugars	4g	N/A
Protein	14g	28%

Note: Nutritional information is an estimate and may vary based on specific ingredients and portion sizes.

Variations & Substitutions

Chicken Soup: Substitute thinly sliced chicken breast for the shrimp. Add the chicken at the same time as the tomatoes and mushrooms, and cook until it is cooked through.
Vegetarian Option: Omit the fish sauce and use soy sauce or tamari instead. Add extra mushrooms or other vegetables like broccoli or tofu to make it a more substantial vegetarian meal.
Coconut Milk: For a richer and creamier soup, add 1/2 cup of coconut milk along with the tomatoes and mushrooms.
Spicier Version: Add more chili-garlic paste or use hotter chilies. You can also add a pinch of dried red pepper flakes.
Galangal: For a more authentic Thai flavor, use galangal instead of gingerroot. Galangal has a more citrusy and earthy flavor than ginger.

FAQs (Frequently Asked Questions)

Q: Can I use dried lemongrass?
A: While fresh lemongrass is preferred, you can use dried lemongrass as a substitute. Use about 1 tablespoon of dried lemongrass per stalk of fresh lemongrass. Be sure to simmer it for a longer period to extract the flavor.

Q: Can I freeze this soup?
A: Freezing is not recommended, as the texture of the shrimp and vegetables may change upon thawing.

Q: How do I make this soup less spicy?
A: Remove the seeds from the chilies, use a smaller amount of chili-garlic paste, or omit it altogether.

Q: Can I use frozen shrimp?
A: Yes, frozen cooked shrimp can be used. Thaw the shrimp completely before adding it to the soup.

Q: What if I don’t have fish sauce?
A: If you don’t have fish sauce, you can substitute soy sauce or tamari. However, the flavor will be slightly different. Start with a smaller amount and add more to taste.

Final Thoughts

This Simple Thai-style Lemongrass Shrimp Soup is a delicious and easy way to enjoy the vibrant flavors of Thailand in your own kitchen. Don’t be afraid to experiment with the ingredients and adjust the flavors to your liking. Whether you’re craving a light and refreshing meal or a comforting bowl of soup on a chilly day, this recipe is sure to satisfy. I encourage you to give it a try and share your feedback! Pair it with a side of steamed jasmine rice for a complete and satisfying meal. Enjoy!

Simple Thai-style Lemongrass Shrimp Soup Recipe