Combine the chopped berries with arrowroot powder and water in a saucepan.
Bring to a light boil and simmer for 25 minutes, stirring occasionally.
Once the mixture begins to thicken stir it more often to keep it from burning.
You will know when it is done when you draw a rubber spatula through the center and it creates a hole that will stay open for a few seconds and then fill back in. Once this happens remove from the heat and it will continue to harden as it cools.If you need to change the consistency once it cools in case you make it too thick you can easily do so by adding a little water to the mixtureRecipe makes about a ½ cup of jam.