Instructions

1. Squeeze out the lime juice. Cut the peel into very thin strips, measure out 2 teaspoons.
2. Thinly slice the onion. Peel the mango and slice the meat into thin strips. Finely chop the chillies.
3. Put all the ingredients in a heavy-bottom (not aluminum) saucepan and bring to the boil, then gently simmer on a low heat for about 30 minutes, while occasionally stirring.
4. When you get a sticky, thick jam, turn off the heat and allow to cool.
5. When cooled spoon into clean, sterilized jars.
6. Store in the refrigerator.