Pineapple Jam

1 can (14 oz) crushed pineapple (packed in pineapple juice)
2/3 C sugar

In a medium sized cooking pot over medium high heat, bring pineapple with juice and sugar to a boil. Turn heat down to medium, cook and stir for seven minutes until jam thickens. Pour into a jar, screw on lid, and allow to cool. Store in refrigerator. Yields 1 1/4 cups jam.