Place tempeh pieces in a grill basket or on a grill screen. (vegkitchen.com)
Allow to marinate at room temperature for 30 minutes, occasionally rotating tempeh pieces or spooning a bit of the marinade overtop. (connoisseurusveg.com)
Pour the orange juice, etc mixture over the tempeh and simmer for 10 - 15 minutes (flip tempeh piece 3 or 4 times during this time to allow all sides to absorb sauce) until sauce becomes thick and sticky. (crosscounterxchange.com)