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This  is such a versatile dish. Every ingredient can be replaced with a substitute without losing any of the complexity of texture and taste.

Spinach : Asparagus, cabbage, corn, broccoli, carrots, beets, etc.
Potato : Sweet potato, mashed potato, pasta, rice, etc.
Asiago : Gorgonzola, parmesan, cheddar, brie, pepper jack, stilton, etc.
Sausage : Bacon, chicken, seafood, beef, lamb, game, etc.

Saute onion, garlic and sausage in butter, add spinach, wilt. Add blanched potatoes, cheese, milk, salt and pepper. Bake at 375 F until golden brown, about 45 minutes. Let set for 30 minute before serving.
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Bon Appetit !   Life is Good !
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