Heat oven to 350
Drizzle a small amount of olive oil into a large cast iron pan. Place grape in the pan and drizzle with remaining olive oil and balsamic. Sprinkle with salt and add a few sprigs of thyme or rosemary. (or both)
Roast grapes in oven for 25 minutes. Turn once half way through the baking time. Remove from oven and serve warm with toasted crostini and ricotta cheese
Drizzle with honey and more balsamic. Top with more thyme leaves. ENJOY