You may need to add more sugar if the berries are not very sweet.
The framer's market had raspberries,I'm surprised to see them this late,but they looked good so I bought some for the pancakes we'll serve on Sunday.
You can use the same recipe to make strawberry or any other berry syrup.Raspberry is my family's favorite.
when it starts boiling, turn down the heat to a simmer
Skim off any foam and let it simmer for 20 minutes
Turn off the heat and strain it through a fine mesh strainer.
Reheat the juices to a simmer and add in the sugar
Stir occasionally until all the sugar has dissolved.
Let syrup cool to room temperature and bottle it
Store in the refrigerator.