2 cups light cream
3 tablespoons grated onion
2 (10 ounce) packages frozen spinach, thawed and drained
1 pound chopped mushrooms
3 tablespoons grated Gruyere or Swiss cheese
3 tablespoons flour
2 teaspoons salt
1/4 teaspoon nutmeg
1/4 teaspoon white pepper
Preheat oven to 325 degrees. Sauté onions and mushrooms in butter for 5 minutes. Blend in flour, salt, pepper and nutmeg. Gradually add cream, stirring to boiling point. Taste for seasoning. In buttered casserole, spread half the spinach; cover with half of the mushroom sauce, then repeat. Sprinkle with the grated cheese. Set in pan of hot water. Bake 40 minutes or until hot and bubbly.
Makes 6 to 8 servings.