© Lucy Schaeffer
Active Time
30 MIN
Total Time
2 HR
Yield
Serves : 10

This deliciously rich gratin is Robert Stehling's take on the Southern casseroles he refers to as "church-supper dishes." Slideshow: More Delicious Gratins

How to Make It

Step 1    

Preheat the oven to 400°. In a large skillet, melt 2 tablespoons of the butter. Add the sliced leeks and cook over low heat, stirring, until they are softened, about 3 minutes. Add the mushrooms, cover and cook over low heat, stirring occasionally, until they are tender, 15 minutes. Add the stock, cream, bay leaves and tarragon and bring to a boil. Season with salt and pepper and remove from the heat.

Step 2    

Put the frozen lima beans in the bottom of a 12- to 14-cup glass or ceramic baking dish. Pour the hot cream mixture over the limas. Bake for 1 1/4 hours, or until the cream sauce is thickened.

Step 3    

Preheat the broiler. In a small bowl, toss the bread crumbs with the Parmesan and melted butter. Sprinkle the crumbs over the lima beans and broil for about 1 minute, rotating the dish for even browning. Let the gratin stand for 15 minutes before serving.

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