Mini Chicken Salad Croissants

Ingredients

• 1/3 cup sour cream
• 1/3 cup mayonnaise
• 4 teaspoons lemon juice
• 1 teaspoon salt
• 1/4 teaspoon pepper
• 4 celery ribs, thinly sliced
• 1 cup chopped fresh mushrooms
• 1/4 cup chopped green pepper
• 1/4 cup chopped sweet red pepper
• 3 cups cubed cooked chicken
• 4 bacon strips, cooked and crumbled
• 1/2 cup chopped pecans, toasted
• 20 miniature croissants, split
• Lettuce leaves