Spinach Souffle - cooking recipe

Ingredients

1 (10 1/2 oz.) pkg. frozen spinach, thawed and drained
1 can cream of mushroom soup
1 egg
1 1/2 c. croutons (savory)
1 c. grated Cheddar cheese
1/4 c. onion, chopped
1/4 c. melted butter

Preparation

Mix all ingredients together; bake at 350\u00b0 for 40 minutes.