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The recipe being prepared draws from an 1887 edition of The White House Cookbook. It's delightfully straightforward yet decadently boozy—a perfect recreation of a classic holiday favorite. The ingredients list includes:

• 12 eggs (yolks and whites separated)

• 3/4 cup (150 grams) granulated sugar

• 1 quart (1 liter) whole milk

• 2 cups (475 milliliters) heavy cream

• 1 1/2 cups (350 milliliters) brandy

• 1 1/2 cups (350 milliliters) rye whiskey

• Whole nutmeg for grating, or 2-3 teaspoons of ground nutmeg