
Common Ways to Roast Korean Seaweed (Gim)
김 develops different flavors and textures depending on how it is roasted.
Here are the most common roasting methods used at home and in commercial production.
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1. Direct Flame Roasting (Traditional Method)

Method
- Use low to medium-low heat
- Place the seaweed on a wire mesh or hold it with tongs
- Quickly flip both sides while roasting
Characteristics
- Produces a smoky aroma
- Richest and nuttiest flavor
- Burns easily if too close to the flame
Tip
- Roast until the seaweed turns slightly green
- Over-roasting can create bitterness
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2. Pan Roasting

Method
- Use a dry pan without oil
- Roast briefly over low heat
- Move the seaweed quickly around the pan
Characteristics
- Most convenient for home cooking
- Easier to roast evenly
- Less smoky flavor than direct flame roasting
Caution
- High heat can burn the seaweed immediately
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3. Oven Roasting
Method
- Preheat oven to about 150–180°C (300–355°F)
- Roast for about 1–3 minutes
Characteristics
- Good for large batches
- Produces consistent quality
- Commonly used in restaurants and factories
Tip
- Check frequently while roasting
- A few extra seconds can burn it
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4. Air Fryer Roasting
Method
- Set air fryer to 160–170°C (320–340°F)
- Roast for only 20–40 seconds
Characteristics
- Very fast and convenient
- Creates a crispy texture
Caution
- The seaweed may fly around due to airflow
- Burns very quickly if overheated
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Key Points for Proper Roasting
Well-Roasted Seaweed
- Deep green color
- Crispy texture
- Nutty aroma
Poorly Roasted Seaweed
- Brown or black color = burnt
- Soft or chewy texture = moisture remains
- Fishy smell = under-roasted