Spinach Casserole - cooking recipe

Ingredients

1 box thawed, chopped spinach, drained
1 can cream of mushroom soup
1 small, chopped onion
1 egg
2 c. grated cheese

Preparation

Combine all of the ingredients and put in a 1-quart casserole dish.
Top with 2 to 3 slices of bread, cut in cubes and soaked in 3 tablespoons of melted butter.