Steps
1. Wash and dry the butter lettuce leaves.
2. In a small bowl, whisk together olive oil, apple cider vinegar, Dijon mustard, salt, and pepper to make the dressing.
3. Tear the lettuce leaves into bite-sized pieces and place them in a salad bowl.
4. Drizzle the dressing over the lettuce and toss gently to coat.
5. Serve immediately and enjoy!