Name: Brothy Oyster Mushroom Soup with Lemongrass and Tofu Recipe
Prep time: 15 min
Cook time: 55 min
Total time: 1 h 10 min
Cuisine: Vegan
Ingredients: 3 cups chopped leeks, white part only; 1 cup chopped celery; ¼ cup minced garlic; 2 tablespoons minced ginger; 3 cups oyster mushrooms, sliced or torn (about 4 ounces); 2 cups peeled and julienned carrot (1 large); 1 stalk lemongrass, crushed with a rolling pin and minced; Optional garnishes: scallions, sesame seeds, and/or red pepper flakes; 3 tablespoons extra-virgin olive oil; 1½ tablespoons white miso paste; 1 tablespoon garlic powder; 1 tablespoon onion powder; 5 cups vegetable broth; 5 cups filtered water; 5 dried bay leaves; 2 tablespoons tamari; 1½ tablespoons fresh lemon juice; 1 tablespoon rice vinegar; 1-inch piece dried kombu; Freshly ground black pepper, to taste; 8 ounces cubed tofu (optional)

Jump to Recipe· 4.3 from 61 reviews

If you’re craving something soothing yet bursting with vibrant flavors, you’re going to fall in love with this Brothy Oyster Mushroom Soup with Lemongrass and Tofu Recipe. It’s a beautiful balance of earthy oyster mushrooms, fragrant lemongrass, and soft tofu all swimming in a flavorful, umami-rich broth that feels like a warm hug in a bowl. Whether you need a comforting dinner on a chilly evening or a nourishing meal that’s light but satisfying, this soup delivers every time with its delightful textures and bright, aromatic notes.

The image shows multiple small white bowls arranged on a white marbled surface, each holding different ingredients. There is a bowl filled with sliced brown mushrooms on the top left, followed by a bowl of light yellow broth and a bowl with a light brown liquid to the right. Below them, there are bowls and containers holding white cubes of butter, white salt, green peas, chopped white onions, and cream. In the front row, there are small white containers with black pepper, minced garlic, small cubes of butter, and green herbs. The arrangement is neat and all items have soft, natural lighting. Photo taken with an iphone --ar 4:5 --v 7

Ingredients You'll Need

Gathering these ingredients is like collecting the perfect harmony of flavors, each one playing an essential role to bring this dish alive. From fresh vegetables to flavorful seasonings, every element is simple yet critical for that unforgettable taste and texture.

Extra-virgin olive oil: Provides a smooth base for sautéing and richness to the soup’s flavor.
Leeks (white part only): Adds a gentle onion-like sweetness and depth to the broth.
Celery: Brings a subtle aromatic crunch and enhances the soup’s freshness.
Minced garlic: A beloved flavor booster that gives the broth complexity and warmth.
Minced ginger: Introduces a spicy brightness that cuts through the earthiness.
White miso paste: Infuses the soup with savory umami and a touch of fermented tang.
Garlic powder: Amplifies the garlic notes without overpowering the soup.
Onion powder: Enhances the base flavor with concentrated onion goodness.
Vegetable broth: The hearty liquid foundation that carries all the flavors beautifully.
Filtered water: Keeps the soup light and perfectly balanced.
Oyster mushrooms: Star ingredient offering a meaty texture and subtle oceanic flavor.
Julienned carrot: Provides a pop of color, sweetness, and a little crunch.
Dried bay leaves: Impart a warm, herbal aroma enhancing the broth’s complexity.
Lemongrass stalk (crushed and minced): Adds citrusy freshness that brightens every spoonful.
Tamari: Deepens the umami with a rich, savory soy note perfect for vegan diets.
Fresh lemon juice: Brings a touch of acidity that livens up the flavors.
Rice vinegar: Offers a subtle tang that balances the soup’s profile.
Dried kombu: Adds iodine-rich depth typical of Japanese broths without overpowering.
Freshly ground black pepper: Gives a gentle spicy kick to finish.
Tofu (cubed, optional): Provides a silky, protein-packed addition that complements the mushrooms perfectly.

How to Make Brothy Oyster Mushroom Soup with Lemongrass and Tofu Recipe

Step 1: Sauté the Aromatics

Start by heating the olive oil in a large pot over medium-high heat. Add the chopped leeks and celery, cooking until they turn translucent and soft, about 10 minutes. This base slowly releases sweetness, setting the stage for your soup’s deep flavors. Then stir in the minced garlic and ginger, allowing their fragrances to bloom for 5 more minutes. Next, mix in the white miso paste along with garlic and onion powders; cooking another 5 minutes unlocks a fabulous umami depth you’ll adore.

Step 2: Add Liquids and Main Ingredients

Pour in your vegetable broth and filtered water. Stir in the oyster mushrooms, julienned carrots, dried bay leaves, minced lemongrass stalk, tamari, fresh lemon juice, rice vinegar, and dried kombu. Give everything a thorough mix so the ingredients meld beautifully in the pot. Bring this savory mixture to a gentle boil and let it cook for 5 minutes, waking up all the flavors.

Step 3: Simmer to Perfection

Reduce the heat to low and cover the pot, allowing your soup to simmer for 30 minutes. This slow simmer lets the broth absorb the mushroom’s earthiness and lemongrass’s bright, citrus aroma, resulting in an incredibly fragrant and flavorful soup. This step is key to achieving that perfect soul-warming experience.

Step 4: Final Touches

Once your soup has gently simmered, season it with freshly ground black pepper to taste. If you’re including tofu, add the cubed pieces now to warm through without breaking apart. Be sure to remove the bay leaves and kombu before serving — they have done their magic! This final step keeps the broth clear and pure, ready to be enjoyed.

How to Serve Brothy Oyster Mushroom Soup with Lemongrass and Tofu Recipe

A dark gray pot filled with a clear broth soup that has visible ingredients like long orange carrot strips, small diced yellow tofu cubes, light green small round scallion pieces, and brown mushroom slices. A silver ladle is partly submerged in the soup, resting inside the pot showing the ingredients clearly inside the ladle. The pot sits on a white marbled surface with a striped gray and white cloth next to the pot and a white bowl with a spoon placed above the pot. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

Simple garnishes like sliced scallions, toasted sesame seeds, or a sprinkle of red pepper flakes add exciting textures and bursts of flavor. They not only beautify the presentation but offer a fresh crunch, nutty depth, or a touch of heat that complements the mellow broth perfectly.

Side Dishes

This soup shines as a light main dish or paired delightfully with crusty bread for dipping. You can also serve it alongside a fresh green salad or steamed rice to round out the meal and add wholesome balance.

Creative Ways to Present

For a fun twist, try serving this Brothy Oyster Mushroom Soup with Lemongrass and Tofu Recipe in individual small bowls topped with microgreens or edible flowers. Another idea is to drizzle a touch of toasted chili oil over each bowl for an extra layer of flavor and eye-catching color. The possibilities are endless, and presentation really elevates the cozy experience.

Make Ahead and Storage

Storing Leftovers

This soup keeps beautifully in an airtight container in the refrigerator for up to 4 days. The flavors continue to meld and deepen, making your next bowl just as delicious, if not better.

Freezing

You can freeze this soup for up to 3 months, but if it contains tofu, be aware that the texture of the tofu might change slightly after thawing. It’s best to store tofu separately or add fresh tofu when reheating if texture is a priority.

Reheating

Gently reheat the soup on the stovetop over low to medium heat, stirring occasionally until warmed through. Avoid boiling once reheated to preserve the delicate flavors and textures.

FAQs

Can I use other types of mushrooms in this soup?

Absolutely! While oyster mushrooms provide a unique texture and flavor, shiitake or cremini mushrooms can be great substitutes and will add their own delicious umami note.

Is this soup gluten-free?

Yes, as long as you choose a gluten-free tamari or soy sauce, this recipe is naturally gluten-free and suitable for those with gluten sensitivities.

Can I make this soup vegan?

Definitely! This Brothy Oyster Mushroom Soup with Lemongrass and Tofu Recipe is completely vegan, relying on plant-based ingredients for a rich and satisfying taste. Just ensure your broth and miso paste do not contain any animal products.

What if I don’t have lemongrass?

Lemongrass offers a citrusy brightness that’s hard to replicate exactly, but a combination of lemon zest and a small amount of ginger can provide a similar fresh flavor in a pinch.

How do I get the tofu to be firmer?

To make your tofu firmer, press it for at least 20 minutes before cubing to remove excess moisture. You can also pan-fry the cubes for a bit before adding them to your soup for added texture.

Final Thoughts

This Brothy Oyster Mushroom Soup with Lemongrass and Tofu Recipe is one of those soul-satisfying dishes that manages to be comforting without feeling heavy, fragrant without being overpowering. It’s perfect for sharing on a cozy night or anytime you want a bowl of warmth infused with bright, earthy flavors. I can’t wait for you to try it and make it a beloved staple in your kitchen!

Brothy Oyster Mushroom Soup with Lemongrass and Tofu Recipe

Ingredients You'll Need