Potato and Sausage Gratin

This is a great buffet or pot luck dish. It can be assembled a day in advance, refrigerated and baked the next day.

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2 tablespoons unsalted butter
1 onion (finely chopped)
2 tablespoons all-purpose flour
3 cups milk
salt and pepper to taste
3 pounds russet potatoes (scrubbed and thinly sliced)
1/2 cup toasted bread crumbs


  1. Preheat oven to 375º

  2. Melt the butter in a large saucepan over medium high heat. Add the onion and sauté 3-4 minutes, until translucent. Add the flour and cook, stirring, 2 minutes more. Add the milk and stir to combine. Bring to a boil, then reduce heat to a simmer and continue to cook 3-5 minutes, until the sauce begins to thicken. Heavily season with salt and pepper.

  3. In a buttered baking dish, layer the potatoes, sausage and milk mixture. Top with the toasted breadcrumbs and bake for 30-45 minutes until the top is browned and bubbly. Allow to cool 10 minutes before serving.