Are you in the UK ?Liptons is an American brand...not sure it is available here. Try googling "american groceries"...that will give you a number of on-line sources here in the UK that may stock it.
Ingredients
3/4 cup instant minced onion
1/3 cup beef bouillon powder
4 teaspoons onion powder
1/4 teaspoon crushed celery seed
1/4 teaspoon sugar
Directions
1Combine all ingredients and store in an airtight container.
2About 5 tablespoons of mix are equal to 1 1�-ounce package.
3To make onion dip: Mix 5 tablespoons with one pint of sour cream.
This is a copycat recipe I found on Recipezaar.