"This is one of those recipes that can definitely be described as ridiculous, where ridiculous means so decadent, delicious, and divine that it almost renders the person eating it speechless. A little goes a long way with this one. Invite lots of guests... preferably guests you really, really like!..."
INGREDIENTS
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1 pound white button or cremini mushrooms, quartered
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Olive oil, for drizzling
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Kosher salt and ground black pepper
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8 slices thick-cut bacon
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2 yellow onions, peeled, halved and thinly sliced
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5 tablespoons butter, plus more for buttering the pan
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1 1/2 pounds macaroni
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1/4 cup all-purpose flour
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2 cups whole milk
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1/3 cup half-and-half
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2 eggs, beaten
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3/4 cup grated fontina
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3/4 cup grated gruyere
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3/4 cup grated Parmesan
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4 ounces crumbled goat cheese (chevre)
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4 ounces crumbled gorgonzola or other blue cheese