Blue hawaii pineapple upside-down cupcakes OtherVery Easy42 min Send this recipe to a friend Print this page Ask a question to the author Post your photo of this recipe Ingredients 8 Ingredients for Spiked Pineapple Cupcakes: 6 tablespoons (3/4 stick) unsalted butter 1 cup sugar 2 eggs 1 teaspoon vanilla extract 2-1/2 tablespoons rum 1/4 cup pineapple juice 1/4 cup sweet-and-sour mix (recipe follows) 1-1/4 cups all-purpose flour 1-1/2 teaspoons baking powder 1/4 teaspoon salt 1-1/2 tablespoons blue Curacao A few drops blue food coloring Ingredients for Rum Pineapple Topping: 1/2 cup (1 stick) unsalted butter 1/3 cup brown sugar 2 to 3 tablespoons rum 10 pineapple rings Ingredients for Finishing: spiked whipped cream (recipe follows) 1/2 cup sweetened flaked coconut (toasted or untoasted) 10 maraschino cherries Ingredients for Sweet-and-Sour Mix 1 cup sugar 1 cup lemon juice 1 cup lime juice Ingredients for Spiked Whipped Cream: 3 cups (1 pint) heavy cream, cold 5 tablespoons sugar 2 tablespoons liquor, wine, or liqueur Food coloring, if desired View the directions