Tuna Casserole

Directions

1. 1
   Using fork, break up tuna and place half of it in bottom of medium-size casserole dish.
2. 2
   Pour half of the soup over it and cover with half of crackers, which have been finely crushed. Repeat with rest of ingredients.
3. 3
   Dot with margarine, if desired. Bake 30 minutes at 350°.