1/4 pineapple, peeled, cored and cut into 16 1/2-inch chunks
2 medium bananas, peeled and cut into 16 1/2-inch slices
16 (1/2 cup) seedless red grapes
1/2 cup heavy cream
2 cups (12 ounces) semisweet chocolate chips
1 teaspoon vegetable oil
1 cup chopped hazelnuts, toasted* see Cook's Note
To toast chopped hazelnuts, arrange them in a single layer on a baking sheet. Bake in a preheated 350 degree F oven for 8 to 12 minutes until lightly golden. Cool completely before using.