how many grams in a cup of wasabi?

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things people ask

• When would a recipe ever call for a full cup of wasabi paste?
  Mostly in catering or restaurant prep. A cup (320 g) folded into roughly two cups of Kewpie mayo gives you a wasabi mayo big enough for a party-size tuna tartare or a tray of deviled eggs. Cup-scale wasabi also appears in wasabi cream sauces for seared tuna platters and in marinades for whole sides of salmon.
• Does wasabi paste pack down in the cup like a thick condiment?
  Yes. Prepared wasabi behaves like a stiff paste — closer to tomato paste than to mustard — so it traps air pockets when spooned in loosely. Press it into the cup with the back of a spoon and level the top, or you can be 30-40 g short of the 320 g mark. For sauce ratios at this scale, weighing beats scooping.
• Is real wasabi the same weight per cup as the tube paste?
  Close, but not identical. Most tube and packet 'wasabi' is horseradish, mustard, and green dye, blended with starch and oil to a uniform paste at roughly 320 g per cup. Freshly grated true Wasabia japonica is fluffier and lighter — a packed cup runs more like 260-290 g, and the heat fades within 15 minutes of grating.

related conversions

• Wasabi: tablespoons to grams
• Wasabi: teaspoons to grams
• Wasabi guide