There are different types of treacle, Black is only one, Golden Syrup is a lighter-coloured type of treacle and often substituted with corn syrup in recipes where black treacle is not available. In Britain, the main producer of black treacle (and Golden Syrup) is sugar refining company Tate and Lyle.
Roasted grapes are sophisticated. Toss grapes with olive oil, salt, and pepper, and roast them on a sheet pan for about 30 minutes at 425Â°F. The grapes will get blistered and caramelized on the outside, and extra juicy and practically jammy on the inside.
Steps. 1  1. Start with fresh green or purple grapes. 2  2. Remove the larger stems from the grapes and wash them thoroughly. 3  3. Place them on a tray.  4. Place them outside in a dry sunny place (this requires warm, dry 1  weather). 5. Let them sit out in the sun for 2-3 days, or until dry (taste test).