Butter Lettuce with Shallots Vinaigrette

Name: Butter Lettuce with Shallots Vinaigrette
Prep time: 5 min
Total time: 5 min
Cuisine: French
Ingredients: .50 teaspoon salt (1/2 teaspoon salt); 1 tablespoon red wine vinegar (1 tablespoon red wine vinegar (white wine vinegar is fine too)); .50 teaspoon mustard (1/2 teaspoon Dijon mustard); 1 shallot (1 small shallot, diced); 1 head of butter lettuce (1 head of Butter lettuce); freshly ground pepper (freshly ground black pepper); 3 tablespoons olive oil (3 tablespoons olive oil)