Add all the elderly blueberries, strawberries, cherries, and raspberries to a pot.
Add 2 frozen strawberries to bring the total fruit to 606 grams.
Add 136 grams of sugar.
Stir the mixture and let it simmer for about 30-35 minutes until it reaches a jammy consistency.
Transfer the jam to jars and refrigerate for a few hours before serving.
