Cut the capsicums into quarters and discard the seeds. Grill the capsicum pieces, skin side up until blistered and beginning to blacken (about 4 minutes). Remove the capsicums from the griller and place them into a plastic bag until cold. When they are cold enough to handle, peel off the skins and discard.
Place all the capsicum pieces and balsamic vinegar in a food processor and chop until smooth.
Per serving: 2 Calories (kcal); 0g Total Fat; (0% calories from fat); 0g Protein; 1g Carbohydrate; 0mg Cholesterol; trace Sodium Food Exchanges: 0 Grain(Starch); 0 Lean Meat; 0 Vegetable; 0 Fruit; 0 Fat; 0 Other Carbohydrates