Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
                        onion flakes
                        chipotle peppers
                        dried apricots
                        water
                        olive oil
                        vinegar

Preparation:

Combine some onion, chipotles, dried apricots and a little water and let it simmer for about half an hour. Add a little olive oil and some vinegar and purée. Strain. Brush on while grilling. I would add a little salt, pepper and fresh garlic.