Follow these easy steps to create the flavorful BLT Chicken Salad:

1. Cook the Chicken: If not pre-cooked, season chicken breasts with salt and pepper, and grill or bake until fully cooked. Allow it to cool before chopping.
2. Prepare Bacon: Cook the bacon in a skillet until crispy. Drain on paper towels and crumble once cooled.
3. Mix Dressing: In a small bowl, whisk together the mayonnaise, Dijon mustard, lemon juice, salt, and pepper until smooth.
4. Combine Ingredients: In a large mixing bowl, add the chopped chicken, crumbled bacon, romaine lettuce, and cherry tomatoes.
5. Add Dressing: Pour the dressing over the salad mixture and toss gently until everything is evenly coated.
6. Include Cheese (Optional): If desired, sprinkle shredded cheddar cheese over the top for extra flavor.
7. Garnish: Top with sliced green onions for added freshness.
8. Serve Immediately: Enjoy your salad fresh, or refrigerate for up to an hour for a cold dish.

These straightforward steps provide a clear path to enjoying a superb salad that combines hearty proteins and fresh veggies.