Heat a medium saucepan over medium-low heat and add the olive oil. Then add the garlic and saute for a few minutes until soft and fragrant, careful not to let it burn.
Add the mango and all spices and stir while mashing the mango for 1 minute.
Then add the vinegar, lemon juice, water and mustard and simmer while stirring occasionally for 2-3 minutes.
Let cool and serve chunky or blend in a blender or with an immersion blender. Keeps covered in the refrigerator for up to one week.