noun
firm tofu; hard tofu
A type of tofu with low water content, denser and firmer than regular tofu. Used in cooking when tofu needs to hold its shape.
堅豆腐は炒め物に向いている。
Firm tofu is suitable for stir-fries.
この店の堅豆腐は大豆の味が濃い。
The firm tofu at this shop has a rich soybean flavor.
Compound of 堅 (かた, firm) and 豆腐 (とうふ, tofu). The exact historical origin is uncertain, but it likely arose to describe a particularly firm variety of tofu.