Easy Creamy Chicken Salad Sandwiches for Two

Ingredients

• 2 cups cooked chicken, torn into small pieces
• 1/2 cup regular heavy mayonnaise
• 1 tsp. sour cream
• 1/2 tsp. dried tarragon
• 1/2 tsp. salt
• 1/2 tsp. regular ground pepper
• 1/2 small rib celery, very thinly sliced
• 2 Tbl. chopped fresh celery leaves
• 1/2 tsp. milk (if needed to thin just a bit)
• 4 slices of bread, lightly toasted
• more mayo if you'd like
• crisp iceberg lettuce leaves