Ingredients
- 4 cups mashed raspberries
- 4 cups sugar
Directions
- Use a very large pot. When the jam reaches a full rolling boil it will double in volume.
- Heat mashed berries until they reach a full rolling boil, boil 2 minutes. Add sugar. Stir well.
- Bring to a boil, stirring constantly, boil for 2 minutes. Remove from heat.
- Beat with rotary beater for 4 minutes. Pour in sterilized jars and seal.