Sparkling Holiday Jam - cooking recipe

Ingredients

2 1/2 quarts strawberries, coarsely chopped
1 (12 ounce) package fresh or frozen cranberries, coarsely chopped
2 (2 ounce) packages powdered fruit pectin
1 teaspoon margarine
5 pounds white sugar

Preparation

Sterilize jars and lids in boiling water for at least 10 minutes. Let simmer while making jam.
In a large saucepan, combine strawberries, cranberries, pectin, and margarine. Bring to a boil. Stir in sugar, and return to a boil. Cook for 1 minute; remove from heat.
Quickly fill jars to within 1/2 inch from top. Wipe rims clean, and put on lids. Process in a boiling water bath for 5 minutes.