Combine all ingredients in a small bowl and blend well. Put mixture in a foil packet or a 1-pint glass jar and label as low-calorie dressing mix. Store in a cool, dry place and use within 6 months. Makes enough mix for ¾ cup of dressing. Low-calorie dressing: combine mix, ¾ cup tomato juice and 2 t lemon juice in a glass jar and blend well. Chill before serving. Makes about ¾ cup of dressing