Preheat oven to 400° F.
Combine garlic, olive oil, salt, pepper and Essence together on a sheet of aluminium foil.
Fold the edges of the foil together to form a tent and roast until tender, for about 40 minutes.
It will keep 2-3 days with a little olive oil in the refrigerator.
Squeeze the cloves out of the bulb and make a paste.Makes 4 to 6 Source: