Chicken Croissant Sandwiches

1 Can of cubed chicken drained (or 1 1/2 cups shredded cooked chicken)
1 package cream cheese room temperature
1/2 C chopped celery (or more, to your taste)
1/2 C cashews (not chopped too fine) (or more, to your taste)
Mayonaisse as needed
lettuce if desired
Croissant rolls (about 6 for this amount of filling)

Combine first 5 ingredients. Add mayonnaise as needed to help combine mixture
Slice croissant rolls in half and fill with meat mixture. (I don't slice all the way through)
Top with lettuce if desired. (I don't usually use it.)