This is wonderful served with cheese and crackers. It is also a great addition to a salad. You will think of other wonderful ways to serve these once you have tried them!
- Preheat oven to 425 degrees.
- On a large, rimmed baking sheet, combine all ingredients, tossing with a spatula to combine. If using herbs, be sure to coat the branches with olive oil to prevent burning.
- Transfer baking sheet to oven and roast, shaking pan intermittently, until grapes have burst and grape juice begins to thicken, about 30 minutes.
- Let cool slightly and transfer to serving vessel.