1. Chop up the fruit, pepper and onion.
2. Combine all of the ingredients (excluding the mango and peach) in a large pot and bring to a boil.
3. Turn down to medium-high heat and simmer for about 30 minutes or until mixture becomes syrupy.
4. Add mangoes and peaches and simmer for another 30 minutes or until fruit becomes tender.
5. Pour into jars, wipe jar rims and process in a water bath canner for about 15 minutes.