French yogurt dressing

Ingredient
*Caspian yogurt.......1tbsp
*Vineger.......2tbsp
*Olive oil.......2tbsp
*Mustard.......1teaspoon
*Salt.......1/2 teaspoon
*Sugar and pepper.......a little

How to make
After mixed yogurt, mustard,salt, pepper and sugar, pour vinegar and olive oil and well-mixed them