Sheep fat soup, grassland mellow soup, cooked sheep soup, etc.

1. Mutton fat soup: This name highlights the delicious and rich taste of mutton soup, implying that the soup is rich in fat and fragrance.

2. Grassland mellow soup: This name emphasizes the natural, mellow and grassland style of mutton soup, giving people a fresh and natural feeling.

3. Cooking mutton soup: This name vividly expresses the making process and rich taste of mutton soup, implying the preciousness and uniqueness of the soup.