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Hot and Spicy Tofu Soup

A spicy tofu soup with vegetables, mushrooms, tomatoes, and optional seaweed and noodles.

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Why it works: Onion and wakame work together. They rank in the top 8% of all ingredient pairs, and 12 recipes mention both. Both carry coumarin, which smells sweet, hay. The science ↓

The recipe

Time30 minutes

Ingredients

Contains: wheat, soy (auto-detected from the ingredients and method; we can miss things, so check labels)

Directions

Prepare the tofu

  1. Press the water out of the tofu.

  2. Wrap the tofu in plastic wrap and place it in the freezer overnight.

  3. Remove the tofu from the refrigerator and let it thaw in hot water.

  4. Cut the tofu into small 1/2-inch square cubes.

Brown and soften

  1. Heat the oil in a large soup pot.

  2. Add the tofu and stir until it is brown on the edges (about 10 minutes).

  3. Add the onion, garlic, and 1/2 cup of stock.

  4. Stir until the vegetables are soft (about 10 minutes).

Simmer and serve

  1. Add the remaining ingredients and simmer on low for 30 minutes.

  2. Add cooked noodles prior to serving.

Recipe from the Recipes Wiki (Fandom).

This recipe comes from the Recipes Wiki on Fandom and is licensed CC BY-SA 4.0. Our formatting and summaries are shared under the same licence.

Steps grouped into stages for easier reading; the method is the source's own.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much aroma chemistry they share, and how many recipes mention both.

  1. Onion + wakametop 8% of all pairs
    Aroma overlaplow
    Mentioned together12 recipes

    Shared aroma: coumarin (sweet, hay).

  2. Onion + garlictop 1% of all pairs
    Aroma overlapstrong
    Mentioned together29,030 recipes

    Shared aroma: furaneol (caramel, strawberry).

  3. Lime + lemontop 2% of all pairs
    Aroma overlapstrong
    Mentioned together1,289 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  4. Pepper + limetop 2% of all pairs
    Aroma overlapstrong
    Mentioned together3,491 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  5. Pepper + lemontop 2% of all pairs
    Aroma overlapstrong
    Mentioned together27,039 recipes

    Shared aroma: 2-nonenal (fatty, green).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Extra firm tofu
Pressing and freezing firms the tofu, giving it a chewy texture that holds up in soup.
Garlic
Adds pungent aroma that mellows and sweetens as it cooks in the broth.
Jalapeño peppers
Provide capsaicin heat and fresh pepper flavor to the soup.
Vegetable stock
Forms the liquid base of the soup and carries the seasonings throughout.
Soy sauce
Adds salty, savory depth that rounds out the broth.
Lime juice
Adds acidity that brightens the flavors of the soup.

The step that matters

Browning the tofu on the edges. Cooking the cubes in oil until the edges brown drives off surface moisture and creates flavorful Maillard browning, so the tofu keeps a firmer texture instead of turning soft and bland in the broth.

Flavor stand-ins for the lemon

How well each one fits the dish's main ingredients (tofu, onion, garlic, pepper, sauce, lime, mung bean):

  1. Avocadobetter flavor fit
  2. Lemonthe original
  3. Coconutabout as good a flavor fit
  4. Mangoabout as good a flavor fit

Fit is the average pairing score against tofu, onion, garlic, pepper, sauce, lime, mung bean. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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