Menudo (soup) hours, the tripe should be added along with salt, an onion cut in half, and one or two heads of garlic. Red menudo has the addition of Guajillo chili paste. The menudo is allowed to continue boiling for an additional three hours while covered. Once it is almost done, the hominy is added. There are a number of regional variations on menudo. In northern Mexico, typically hominy is added. In northwest states such as Sinaloa and Sonora usually only the "blanco," or white, variation is seen; "menudo blanco" is the same dish, with the difference that red pepper is not
Hot and sour soup peppers or white pepper, and sour by vinegar. In Japan, ramen noodles are usually added to hot and sour soup to make "suratan-men" (or "sanratan-men") or "hot and sour soup noodles". In India, this soup is made with red and green chillies, ginger, carrots, snow peas, tofu, soy sauce, rice vinegar and a pinch of sugar. It is viewed in India as being a Chinese soup. Hot and sour soup is usually made in Pakistan with chicken, carrots, cabbage, corn flour, eggs, vinegar, chili, soya sauce and salt. It may also contain bean sprout and capsicum. "Samlor machu pkong" or