granny's ham and potato gratin for a crowd
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yield
24 serving(s)
Ingredients For granny's ham and potato gratin for a crowd
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10 lbpotatoes
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4 ccheese, grated
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1/2 tspthyme
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1/4 cdijon mustard
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2garlic clove, pureed
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"just a pinch" of nutmeg
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"just a pinch" of pepper
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"just a pinch" of salt
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6.5 cmilk, heated
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1 call purpose flour
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5 ozbutter
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garlic and mustard sauce
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"just a pinch" of salt
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1.5 qtham, cooked and thinly sliced
How To Make granny's ham and potato gratin for a crowd
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1THE POTATOES: Have ready the kettle containing 4 cups of cold water.
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2Peel the potatoes and slice them 1/4 inch thick, dropping them into the cold water to cover as you do so. Cover the kettle, and bring to the boil.
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3Uncover and boil slowly for 3 to 4 minutes, until barely cooked through and eat several slices to check.
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4Drain, cover the kettle again for 3 to 4 minutes to firm up the potato slices, then uncover.
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5THE GARLIC AND MUSTARD SAUCE: Make the classic white sauce; cook the butter and flour together in the saucepan until they foam and froth for 2 minutes without coloring.
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6Turn off heat and pour in half the hot milk.
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7Whisk vigorously to blend as you pour in the rest.
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8Simmer for 3 minutes, stirring.
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9Remove from heat and whisk in the seasonings.
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10Bring to the simmer again.
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11Taste carefully, and add additional seasonings to taste.
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12ASSEMBLING: Spoon a 1/16-inch layer of sauce on the bottom of the buttered baking dish.
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13Set aside 3 cups of the sauce and 1 cup of the cheese for the topping.
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14(Swiss or a mixture such as swiss, mozzarella, jack, and/or cheddar.)
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15Now, to arrange everything in 4 layers, start with a quart of the potatoes, then a quarter of the ham, follow by a third of the sauce and sprinkle on a third of the cheese.
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16Continue in layers, finishing the final layer with the remaining potatoes and ham.
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17Spread on the reserved 3 cups of sauce to cover completely, then the last of the cheese.
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18AHEAD OF TIME NOTE: May be kept warm uncovered on a hot tray but be sure not to overheat or the potatoes and ham will dry out.
- Last Step: Don't forget to share! Make all your friends drool by posting a picture of your finished recipe on your favorite social network. And don't forget to tag Just A Pinch and include #justapinchrecipes so we can see it too!
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