Cheesy Pasta Salad

Ingredients

• 4 cups cubed cooked chicken
• 1 package (8 ounces) spiral pasta, cooked, drained and cooled
• 1-1/2 cups cubed Gouda or Monterey Jack cheese
• 1 cup sliced celery
• 1 cup seedless green grapes
• 1 cup mayonnaise
• 1/4 cup sour cream
• 3 tablespoons lemon juice
• 3 tablespoons honey
• 1 teaspoon dried thyme
• 1/2 teaspoon ground mustard
• 1/4 teaspoon white pepper
• 2/3 cup chopped pecans, toasted
• Lettuce leaves, optional