In medium saucepan, combine rhubarb, sugar and pineapple; boil ... and tighten. As jam cools, lids will pop. Cool ... jars. Place in freezer. Makes 8 eight ounce ... jars. Defrost to serve.
Cook first 3 ingredients until rhubarb is tender. Remove from heat ... Ladle into scalded freezer jars or plastic containers; cool completely before freezing.