Szechwan sauces are a type of Chinese cuisine originating from the Sichuan province. They are known for their spicy and flavorful taste, and often contain ingredients such as chili peppers, garlic, ginger, and soy sauce. The term 'Szechwan sauces' can also refer to a variety of sauces made with these ingredients, including soy sauce, which is a four-letter word in the crossword puzzle. Soy sauce is a dark brown liquid made from fermented soybeans, and is used to add flavor to many dishes. It is a key ingredient in many Szechwan sauces, and is also used in other Asian cuisines.