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Raspberry jam: the secrets of cooking

Ingredients

Scale
  • 4 cups (1 liter) granulated sugar
  • 4 cups (1 liter) raspberries

Instructions

  1. Place sugar in an ovenproof shallow pan and warm in a 250Β°F (120Β°C) oven for 15 minutes. (Warm sugar dissolves better.)
  2. Place berries in a large stainless steel or enamel saucepan. Bring to a full boil over high heat, mashing berries with a potato masher as they heat. Boil hard for 1 minute, stirring constantly.
  3. Add warm sugar, return to a boil, and boil until mixture will form a gel (see tips, below), about 5 minutes.
  4. Ladle into sterilized jars and process as directed for Shorter Time Processing Procedure .