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Tom Kha with Wild Mushrooms, Lemongrass & Organic Coconut

Name: Tom Kha with Wild Mushrooms, Lemongrass & Organic Coconut
Prep time: 20 min
Cook time: 45 min
Total time: 65 min
Yield: 4 servings
Cuisine: thai-fresh-herb
Ingredients: 1 lb fresh galangal root, sliced into 0.5 cm rounds, bruised with the flat of a knife; 3 stalks fresh lemongrass, tender white part only, bruised and cut into 5 cm lengths; 6 leaves fresh kaffir lime leaves, torn by hand to release oils; 1.3 lbs mixed wild mushrooms (chanterelle, maitake, or oyster), cleaned and roughly torn, not sliced too thin; 1.7 cups full-fat organic coconut milk, canned or carton, shaken well; 4 cups homemade vegetable broth, strained and clear; 2 tbsp coconut aminos or premium fish sauce, none; 2 Medjool dates, pitted and chopped; 3 tbsp fresh lime juice, squeezed from 2-3 limes; 1/3 cup fresh cilantro and Thai basil leaves, torn, not chopped; 2 tbsp red chili peppers (bird's eye), sliced thin

This is a pristine, farm-fresh iteration of the classic Thai coconut soup, stripping away refined sugar and seed oils to let the earthy depth of wild mushrooms and the bright citrus notes of lemongrass shine. Simmered in full-fat organic coconut milk and enriched with a high-quality vegetable broth, it delivers a creamy, savory texture without the inflammatory load of traditional shortcuts.

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Serves

Prep

20 min

Cook

45 min

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Tom Kha with Wild Mushrooms, Lemongrass & Organic Coconut — authentic Thai Fresh-Herb recipe from Taste Meridian

Ingredients

Serves

Aromatics & Base

1 lbfresh galangal root, sliced into 0.5 cm rounds, bruised with the flat of a knife
3 stalksfresh lemongrass, tender white part only, bruised and cut into 5 cm lengths
6 leavesfresh kaffir lime leaves, torn by hand to release oils

Main

1.3 lbsmixed wild mushrooms (chanterelle, maitake, or oyster), cleaned and roughly torn, not sliced too thin
1.7 cupsfull-fat organic coconut milk, canned or carton, shaken well

Liquid

4 cupshomemade vegetable broth, strained and clear

Seasoning

2 tbspcoconut aminos or premium fish sauce, none

Sweetness

2Medjool dates, pitted and chopped

Acid

3 tbspfresh lime juice, squeezed from 2-3 limes

Garnish

1/3 cupfresh cilantro and Thai basil leaves, torn, not chopped
2 tbspred chili peppers (bird's eye), sliced thin

Equipment

heavy-bottomed stainless steel or enameled cast iron pot — Maintains a gentle, even simmer without scorching the coconut milk, which contains delicate fats
fine-mesh sieve — To strain out the fibrous galangal and lemongrass stalks for a silky texture without losing the infused flavor

A little context

Tom Kha Gai is a beloved Thai staple traditionally balanced with palm sugar and fish sauce; here, we honor the tradition by using fresh galangal and kaffir lime leaves for authentic aroma, while replacing refined sugar with the natural sweetness of ripe dates and ensuring the broth is seed-oil free. We maintain the soul of the dish—the interplay of sour, salty, and creamy—by relying on high-quality coconut milk and fresh lime juice rather than chemical thickeners or artificial flavorings.

Method

01
Infuse the broth
In your heavy pot, combine the homemade vegetable broth, bruised galangal, lemongrass stalks, and torn kaffir lime leaves. Bring to a gentle boil over medium-high heat, then immediately reduce to low. Cover and simmer for 20 minutes to extract the essential oils and medicinal compounds.
02
Strain and sweeten
Remove the pot from heat. Using your fine-mesh sieve, strain the broth to remove the solid aromatics, pressing gently to extract all liquid. Return the clear, fragrant broth to the pot. Stir in the chopped Medjool dates and let them dissolve into the warm liquid.
03
Sauté the mushrooms
While the broth simmers, heat a small amount of coconut oil in a separate skillet over medium heat. Add the wild mushrooms and sauté until they release their moisture and begin to brown (about 8 minutes). Do not overcrowd the pan; you want a sear to develop umami depth.
04
Combine and simmer
Add the sautéed mushrooms and the full-fat coconut milk to the strained broth. Stir gently to combine. Bring to a very low simmer—do not boil vigorously, as this can cause the coconut milk to separate or become grainy. Cook for 10 minutes to allow the flavors to meld.
05
Season and finish
Stir in the coconut aminos (or fish sauce) and taste. Adjust with more dates if it needs sweetness or more lime juice if it lacks brightness. Remove from heat immediately. Stir in the fresh lime juice and chopped red chilies.
06
Serve with fresh herbs
Ladle into warm bowls. Top generously with fresh cilantro and Thai basil leaves. Serve immediately while hot to preserve the volatile aromatic compounds of the herbs.

Pro tips

✦Sourcing is key: Look for fresh galangal that is firm and pale pink/grey; if it feels rubbery or shriveled, the flavor will be muted.
✦Never boil coconut milk: Keep the heat below a simmer once the coconut milk is added to prevent the fats from separating and the texture from becoming oily.
✦Bruise your lemongrass: Use the flat side of a heavy knife to smash the stalks before adding them; this ruptures the cell walls and releases the citrus oils far more effectively than slicing alone.
✦Fresh lime at the end: Adding lime juice while the soup is boiling destroys the vitamin C and alters the flavor profile; always add it off the heat.

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Equipment

Cast Iron →

Specialty ingredients

Fish Sauce →Galangal →Lemongrass →

Substitutions

wild mushrooms → organic shiitake or button mushrooms (Wild varieties offer superior texture and beta-glucan content, but organic cultivated mushrooms are an acceptable backup if foraged options are unavailable)
Medjool dates → 1 tsp pure maple syrup or monk fruit syrup (Dates add fiber and minerals; use syrup only if you need a liquid sweetener, but expect a less complex flavor profile)
coconut aminos → high-quality fish sauce (anchovy-based) (Fish sauce provides the traditional umami depth; ensure it is made from wild-caught anchovies and salt only)

Storage

Store in an airtight glass container in the refrigerator for up to 4 days. The flavors often improve after 24 hours. Freeze for up to 2 months; note that coconut milk may separate slightly upon thawing, so reheat gently and whisk to re-emulsify.

What to serve with it

Served with a small side of steamed jasmine rice or cauliflower rice
Pair with a glass of sparkling water with a squeeze of fresh lime
Serve alongside a cup of high-grade matcha or green tea for additional polyphenols
A small salad of bitter greens (arugula or dandelion) dressed with EVOO and lemon

FAQ

Can I use dried galangal instead of fresh?+

You can, but the flavor profile will be significantly less vibrant and the anti-inflammatory benefits diminished. Fresh is strongly preferred for this recipe. If you must use dried, soak it in warm water for 20 minutes before adding, and use double the quantity.

Why did my coconut milk separate?+

This usually happens if the soup was boiled too vigorously after the milk was added. Coconut milk is an emulsion of fat and water; high heat breaks this bond. Simmer gently and stir often to maintain the creamy texture.