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Baked Spinach Casserole
Ingredients
3 tablespoons unsalted butter
2 cups light cream
3 tablespoons grated onion
2 packages frozen spinach, thawed and drained
1 lb chopped mushrooms
3 tablespoons grated Gruyere or Swiss cheese
3 tablespoons flour
2 teaspoons coarse salt
1/4 teaspoon nutmeg
1/4 teaspoon white pepper, preverably freshly ground

Method
Preheat oven to 325
Sautéed 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.