Ingredients

1 Tablespoon margarine
1/3 Cup diced onion
1 10-ounce package frozen spinach, thawed, drained
1/2 Cup sour cream
1 egg, beaten
1/4 Teaspoon salt
1/8 Teaspoon pepper
1/3 Cup shredded cheese

Instructions

Melt margarine in skillet. Add onion and cook until tender. Stir in remaining ingredients except the cheese. Place in greased one-quart casserole. Sprinkle cheese on top. Bake at 375 degrees for 20 minutes.