• Step 1: In a large bowl, combine the cooked and shredded chicken, diced cucumber, halved cherry tomatoes, and chopped fresh basil.
• Step 2: In a separate small bowl, whisk together the lemon juice, olive oil, mayonnaise, and Dijon mustard until well combined.
• Step 3: Pour the dressing over the chicken and vegetable mixture and gently toss to coat everything evenly.
• Step 4: Season with salt and pepper to taste, adjusting the amounts to your preference.
• Step 5: Cover and refrigerate the salad for at least 30 minutes to allow the flavors to meld together.