Warm mixed berry compote

1. In a large saucepan, bring the sugar and water to a boil.
2. Simmeri for 10 minutes.
3. Add the strawberries and blueberries to the pan and cook for 2 minutes.
4. At the last minute, add the mixed raspberries and butter to the saucepan with the other ingredients.
5. Heat just until butter melts.
6. Spoon the mixture onto a flat plate and serve with a scoop or ice cream in the center.