Ingredients

3 tablespoons cider vinegar1/2 cup shredded Parmesan cheese1/2 teaspoon garlic powder1/3 cup olive oil7 cups torn romaine

Preparation

In a blender, combine the vinegar, cheese and garlic powder; cover and process until combined. While processing, gradually add oil in a steady stream.

Place romaine in a salad bowl; drizzle with dressing and toss to coat.