Ingredients

2 tablespoons red-wine vinegar 

1/2 teaspoon coarse salt 

1/4 teaspoon freshly ground pepper 

1 teaspoon Dijon mustard 

1/4 cup plus 2 tablespoons extra-virgin olive oil 

2 tablespoons crumbled blue cheese 

Preparation

In a container with a lid, shake together vinegar, salt, pepper, and mustard. Add oil and blue cheese, and shake again until well combined.