Wash, peel and remove mango flesh from seed; purée until smooth.
Combine all ingredients in a large pot and heat with continuous stirring to 200°F; protect hands from sputtering.
Fill clean hot half-pint jars with 1/4-inch headspace; remove bubbles, adjust headspace and apply lids.
Process 15 minutes at 0–1,000 ft, 20 minutes at 1,001–6,000 ft, or 25 minutes above 6,000 ft.