Prepare berries:
Wash and lightly mash the mixed berries in a heavy-bottom saucepan.
Cook the fruit:
Add water and cook over medium heat for 5–7 minutes until berries soften and release juices.
Add citrus flavor:
Stir in lime juice and lime zest to create a bright, limeade-style flavor.
Sweeten mixture:
Add sugar and cook while stirring until completely dissolved.
Thicken the jam:
Mix in fruit pectin and bring the mixture to a gentle rolling boil, stirring continuously.
Add basil:
Stir in chopped basil leaves and cook for another 2–3 minutes to infuse herbal aroma.
Jar and store:
Pour hot jam into sterilized jars, seal tightly, and allow to cool completely before refrigerating or storing.