Recipe

Spicy and Sour Tom Yum Soup

A bright, aromatic Thai classic with shrimp, mushrooms, and that addictive hot-sour broth you want to sip straight from the bowl.

By Marilyn Volture

•

4.9

A steaming bowl of tom yum soup with shrimp, mushrooms, cilantro, and red chili slices on a wooden table

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Tom yum is the soup equivalent of turning on all the lights in your brain. It is spicy, sour, savory, and wildly aromatic, like someone grated a lime over a pot of cozy chicken soup and then dared it to have a personality.

This version is built for real-life kitchens: accessible ingredients, clear steps, and a few smart swaps if you do not have a Thai market within sprinting distance. You will get that signature lemongrass and makrut lime leaf perfume, a broth with a clean, punchy tang, and shrimp that stays tender because we are not going to bully it with a hard boil.

A pot of clear tom yum broth simmering with lemongrass, galangal, and makrut lime leaves

Why It Works

Big, clear flavors without fuss: bruising aromatics and a short simmer gives you depth fast, without hours on the stove.
That perfect hot-sour balance: we add lime juice and fish sauce off heat at the end so they stay bright and bold, not muted.
Tender shrimp, not rubber bands: gentle heat and a quick poach keeps seafood juicy.
Flexible heat: start mild, then dial it up with chili paste or fresh chiles until it is exactly your kind of spicy.

Storage Tips

Refrigerator: Cool soup quickly, then store in an airtight container for up to 3 days. The aromatics (lemongrass, galangal, makrut lime leaves) can get louder over time, so it may taste even more fragrant on day two.

Keep shrimp separate if you can: If you know you will have leftovers, cook the broth and mushrooms, then poach shrimp only in what you plan to eat. Add fresh shrimp to reheated broth later for the best texture.

Reheating: Warm gently over medium-low until steaming. Avoid a hard boil or the shrimp will toughen. Add a fresh squeeze of lime at the end to wake everything up again.

Freezing: Freeze the broth and mushrooms up to 2 months. I do not recommend freezing shrimp in the soup. Add fresh shrimp after thawing and reheating.

Common Questions

What is the difference between tom yum and tom kha?

Tom yum is a hot-sour soup that is often served clear, though there is also a popular creamy version (tom yum nam khon). Tom kha includes coconut milk and is richer and more mellow, with galangal and lime still doing their thing.

Can I make this without galangal?

Yes. Galangal is piney and peppery, but ginger is a good substitute. Use the same amount of sliced fresh ginger. The soup will still be delicious, just a bit less distinctly tom yum.

Do I have to use makrut lime leaves?

They are a major part of the signature aroma. If you cannot find them, use wide strips of lime zest (avoid the white pith) plus an extra squeeze of lime at the end. It will not be identical, but it will be bright and tasty.

Is tom yum supposed to be super spicy?

It can be, but it does not have to be. Start with a smaller amount of chili paste, taste, then add more. The goal is a balanced punch, not a soup that makes you see your ancestors.

Can I make this vegetarian?

Absolutely. Use vegetable stock, swap fish sauce for vegan fish sauce (best option), and use tofu or extra mushrooms. If you do not have vegan fish sauce, use soy sauce plus a pinch of salt to taste and a tiny bit of seaweed (kombu) or mushroom powder for that deeper, ocean-y umami.

What mushrooms work best?

Straw mushrooms are classic. In most grocery stores, cremini or white button mushrooms work great. Slice them thick so they stay meaty.

Marilyn Volture

I’m Marilyn Volture, a home cook with a whisk in one hand and a sense of humor in the other. I share approachable, flavor-forward recipes that work on real weeknights, plus a few “because I felt like it” desserts that are absolutely worth the dishes. My style is practical but playful: big taste, clear steps, and permission to improvise. If you catch me in the fridge at midnight, I’m probably turning leftovers into something suspiciously impressive.

Kitchen Essentials

Medium pot or Dutch oven (3 to 5 quarts)
Cutting board and sharp knife
Microplane or vegetable peeler (for lime zest strips if you are subbing for makrut lime leaves)
Measuring spoons
Fine-mesh strainer (optional, for a very clear broth)
Ladle

The first time I made tom yum at home, I treated it like a normal soup. I simmered everything forever, boiled the shrimp into little commas, and wondered why it tasted like lime-scented disappointment.

Then I learned the trick: tom yum is not a long-haul relationship. It is a spark. You bruise the aromatics, simmer just long enough to perfume the broth, and you save the lime and fish sauce for the end like the grand finale. Now it is my go-to when my fridge looks like a sad yard sale but I still want dinner to taste like I planned my life.

Spicy and Sour Tom Yum Soup

(4.9 Reviews)

Prep Time 15 minutes

Cook Time 20 minutes

Total Time 35 minutes

Servings 4

Ingredients

4 cups chicken stock (or seafood stock)
1 1/2 cups water
2 stalks lemongrass, tough outer layers removed, tender bottom portion cut into 2-inch pieces and bruised
8 to 10 slices galangal (or fresh ginger), about 1/8-inch thick
4 makrut lime leaves, torn
2 to 3 Thai bird chiles, smashed (optional, for extra heat)
8 oz mushrooms (straw, cremini, or button), halved or thick-sliced
1 medium tomato, cut into wedges (optional but common)
1 lb large shrimp, peeled and deveined (tails on optional)
2 to 3 tbsp fish sauce, plus more to taste
2 to 4 tbsp fresh lime juice, plus more to taste
1 to 2 tsp sugar (or palm sugar), to balance
2 to 3 tbsp nam prik pao (Thai roasted chili paste) or store-bought tom yum paste/soup base (see note)
1/2 cup chopped cilantro
2 scallions, sliced
Optional add-ins: 1 to 2 tsp chili oil, a handful of baby spinach, cooked rice noodles for a heartier bowl

Note: Lemongrass, galangal, and makrut lime leaves are typically not eaten. They are there to flavor the broth, not to surprise your teeth.

Paste note (important): Nam prik pao is a sweet-savory chili jam that adds depth and color. Tom yum paste is often a complete soup base and can be quite salty and sour. If you use a store-bought soup base paste, start with less fish sauce and lime, then taste before adding the full amounts.

Instructions

Build the aromatic base. In a medium pot, combine stock, water, lemongrass, galangal, makrut lime leaves, and smashed Thai chiles (if using). Bring to a gentle boil, then reduce to a simmer for 10 minutes.
(Optional) Strain for a super clear broth. If you want a cleaner bowl, strain out the aromatics now, return the broth to the pot, and keep it at a gentle simmer.
Add vegetables. Add mushrooms and tomato. Simmer for 5 minutes until mushrooms are tender but not sad.
Stir in the paste. Add nam prik pao or tom yum paste and stir until dissolved. Keep the heat gentle.
Cook the shrimp gently. Add shrimp and cook just until pink and opaque, 2 to 3 minutes depending on size. Turn off the heat.
Finish off heat with the bright stuff. Stir in fish sauce, lime juice, and sugar. Taste and adjust. More lime for sharper sour, more fish sauce for savory depth, more paste or fresh chiles to dial up the heat. If you used a store-bought tom yum soup base paste, go slowly here and taste as you add so it does not tip into salty-sour overload.
Serve. Ladle into bowls and top with cilantro and scallions.

A ladle pouring tom yum soup with shrimp and mushrooms into a bowl

Weeknight note: If you are short on time, skip bruising perfectionism. Just cut the lemongrass, smack it once with the side of your knife, and move on with your life.

Nutrition information is estimated.

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