For a milder flavor, remove the seeds and membranes from the green chiles in the diced tomatoes. If you don't have chili-garlic sauce, you can substitute with a combination of sriracha and minced garlic. This salsa is best served fresh, but can be stored in an airtight container in the refrigerator for up to 2 days. Add other fresh ingredients such as mango, bell peppers or cilantro.