"This super-simple shortbread gets festive thanks to a tart cranberry-grapefruit compote...."
INGREDIENTS
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1 cup all-purpose flour
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3/4 cup sugar, divided
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1/4 teaspoon kosher salt
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1/2 cup (1 stick) chilled unsalted butter, cut into 1/2-inch cubes
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1 10-ounce bag fresh (or frozen, thawed) cranberries
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1/4 cup fresh grapefruit juice
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1 teaspoon grated grapefruit zest