butter (for greasing the pan)
1 medium pumpkin (such as Sugar Pie or Cinderella) (peeled, seeded and cut into 1/2-inch cubes (about 6 cups))
1/3 cup fresh minced sage (or 1 teaspoon dried sage)
1 tablespoon minced garlic
  Salt and freshly ground black pepper
1/4 cup olive oil
2 tablespoons butter
2/3 cup breadcrumbs
2/3 cup freshly grated Parmesan cheese
1/3 cup chopped hazelnuts