The vegetarian food in comparison the normal dishes are almost always cheaper, often it's half the normal price.
Other soybean products range from soy sauce (nước tương- usually light soy sauce), fermented bean paste (tương), and fermented bean curd (đậu phụ nhự or chao) to douhua (soft tofu sweet soup- tàu hũ nước đường, or tào phớ).