Citrus Vinaigrette Dressing

Ingredients -

1/2 cup Balsamic vinegar 
1/2 cup Orange juice 
1/2 cup Grapefruit juice 
1/2 cup Lime juice 
1/2 cup Lemon juice
1/2 cup Olive oil 
1/2 cup kg Parmesan cheese 
1/2 tsp Salt 
1/2 tsp Pepper

Procedure -

Mix together the vinegar, orange juice, grapefruit juice, lime juice, and lemon juice. Slowly add the olive oil while whisking vigorously. Add the Parmesan cheese and stir. Season with salt and pepper.