Add the diced mango, rice vinegar, honey or agave syrup, minced garlic, chopped chili pepper, lime juice, and salt to a blender or food processor.
1 ripe mango, 2 tablespoons of rice vinegar or lime juice, 1 tablespoon of sugar syrup or agave syrup, 1 small garlic clove, 1 small red chili pepper, ¼ teaspoon of salt, ½ teaspoon black mustard seeds