INGREDIENTS
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Crust1 3/4 cups shortbread cookie crumbs1/4 cup (1/2 stick) unsalted butter, meltedFUDGE:3 cups white chocolate chips1 (14-ounce) can fat-free sweetened condensed milk1 teaspoon pure lemon extract1 teaspoon grated lemon zest2 to 3 drops yellow food c