Serves 4.
 1 large ripe pineapple, peeled & cored
 4 tablespoons unsalted butter, melted
 3/4 cup sugar
 1 teaspoon grated lime zest
 1 tablespoon grated ginger
 1/2 teaspoon ground cinnamon
 1/8 teaspoon ground allspice
 1/2 cup dark rum
 1 pint mango sorbet
 1/2 cup toasted macadamia nuts 
To Prepare the Pineapple:  Slice the pineapple into 3/4 inch slices.  Combine the butter, sugar, ginger, lime, cinnamon & allspice in a low pan.  Marinate the pineapple for 5 minutes in the mixture.
To Cook the Pineapple:  Preheat the grill high.  Grill the pineapple slices over direct high heat, caramelizing each side for about 2-3 minutes.  Remove to a large serving platter.  Pour the rum over the hot pineapple and ignite very carefully.
To Serve:  Scoop mango sorbet in the center and top with toasted macadamia nuts.