"Never heard of an impossible pie? The lure of this 1970s phenomenon is that you get a “crust” without rolling out pie dough. Traditionally, Bisquick batter was poured over vegetables, meat, and cheese and baked. To prevent our “crust” from sticking to the pan, we coat the buttered dish with… read more..."
INGREDIENTS
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1 tablespoon unsalted butter, softened, plus 2 tablespoons melted
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3 tablespoons finely grated Parmesan cheese
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8 ounces Gruyère cheese, shredded (2 cups)
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4 ounces thickly sliced deli ham, chopped
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4 scallions, minced
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1/2 cup (2 1/2 ounces) all-purpose flour
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3/4 teaspoon baking powder
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1/2 teaspoon pepper
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1/4 teaspoon salt
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1 cup half-and-half
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4 large eggs, lightly beaten
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2 teaspoons Dijon mustard
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1/8 teaspoon ground nutmeg