Sambal Oelek is a spicy chili sauce that originates from Malaysia. It is made by blending chilies, garlic, shrimp paste, tomato, onion, lemon juice, and lemongrass into a smooth paste. It can be used to add flavor to dishes like noodles, soups, meat, eggs, and rice. The document provides recipes for different types of Malaysian sambal sauces and lists the ingredients and preparation instructions for making traditional Sambal Oelek at home. It also notes potential health benefits like improved metabolism, blood circulation, and protection from cold temperatures.