Step 1

Mix together tuna, mayonnaise, green onion, and celery. Then add salt and pepper to taste.

Step 2

Divide tuna mixture between four of the pieces of bread.

Step 3

Layer two lettuce leaves on the other four slices of bread, tearing the leaves to fit the bread.

Step 4

Assemble the two sides of each sandwich.

Step 5

Slice and serve.