Return top knot to bread. For croissants, cut in half and remove some of dough. Cover sandwiches and refrigerate several hours. Garnish with small bunch of chilled grapes and sprig of mint. Heat oven to 350 degrees.
Fill shells with cheese mixture.
Place side by side in dish. Pour spaghetti sauce over manicotti and sprinkle with cup Parmesan cheese. Bake in preheated oven for 35-40 minutes or until bubbly. Makes 12-14 servings. Set fruit aside.