INGREDIENTS
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Vegetable oil, cooking spray
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18 ounces chocolate wafers (about 90), finely ground (4 1/2 cups)
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1/4 cup plus 2 tablespoons sugar
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6 ounces (1 1/2 sticks) unsalted butter, melted
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1 teaspoon coarse salt
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4 ounces bittersweet chocolate (preferably 61 percent), finely chopped
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1/2 cup heavy cream
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32 ounces cream cheese, softened
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1 1/2 cups sugar
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1/4 teaspoon coarse salt
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3 tablespoons fresh lemon juice
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1 1/2 cups heavy cream, cold
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Candy Spiders, optional