- In a large saucepan bring canned crushed pineapple to a boil with the sugar. 
- Simmer on medium lightly boiling it for 15 minutes. 
- Place jam in glass jars with lids and refrigerate. 
- The jam will stay good for a month. 
- This recipe makes 2 cups of jam. 
- Keep it in a 16 oz jar, or split it into two 8 oz jars (or 4-4oz) and give some to a friend.