Szechuan sauce is a hot and spicy sauce that originated in the Sichuan province of China. It is a combination of spicy chili peppers, Szechuan peppercorns, garlic, ginger, soy sauce, vinegar, and sugar. The sauce has a complex and bold combination of flavors, with a nice balance of spiciness and savory flavor to it. Szechuan sauce can be used as a stir-fry or dipping sauce. It is also served with chicken nuggets at McDonalds. Homemade Szechuan sauce can be made by combining ingredients such as low-sodium soy sauce, red wine vinegar, fresh ginger, brown sugar, chili garlic sauce, rice vinegar, crushed red pepper flakes, garlic powder, and chicken broth. The recipe can be adjusted to taste by adding more or less of certain ingredients. Szechuan sauce can be found at Asian grocers or online. If Szechuan paste is not available, chili garlic paste can be used as a substitute.