Lemon grass soups use lemon grass as a main ingredient. Although many different lemon grass soup recipes exist, most of them use poultry or seafood (prawns or shrimp) as a major ingredient. Chilies and mushrooms are other common ingredients. These soups typically are served as appetizers.
English grass soup is a chicken-, celery- and leek-based soup that doesn't have use any real grass in the preparation. Potato and zucchinis are the other main ingredients in English grass soup.
Qingcaotang tea sometimes is called green grass soup. This type of tea is brewed in the Moganshan village, a small village in China, using tea leaves grown at a high altitude. This type of tea is not common outside of the Moganshan village.