The ingredients of the earliest and most traditional Mexican salsas are tomatoes, onions, green chili peppers, and spices that give salsa sauces their unique flavor. The red of the tomatoes, the white of the onions, and the green of the chili peppers are exactly the colors found in the Mexican national flag. La Costeña Salsa Casera Mexicana is a traditional Mexican salsa sauce with a suitable chili kick. It is versatile for preparing Mexican food and as a dipping sauce on its own.