Tuna Fish Casserole - cooking recipe

Ingredients

1 can tuna
1 can cream of celery or mushroom soup
1 Tbsp. chopped onion
2 Tbsp. melted margarine
1/2 c. chopped celery
1/2 soup can water
1 c. shredded Mozzarella cheese
1 c. coarsely broken crackers

Preparation

Melt margarine and stir in 1/2 of the crackers.
Add the other ingredients.
Mix.
Pour into a Pyrex or other glass dish; top with remaining 1/2 cup crackers.
Bake, uncovered, for 15 minutes at 400\u00b0.