Meat and Pear Open Ravioli from Pasta Modern

Name: Meat and Pear Open Ravioli from 'Pasta Modern'
Ingredients: 3 tablespoons butter; 2 ounces (60g) pancetta or bacon, diced; 1 sweet sausage; 4 ounces (115 g) roast beef, thinly sliced then cut into strips; 1 large pear, thinly sliced with peel left on; 2 tablespoons golden raisins; 3 to 4 small fresh sage leaves; 1 garlic clove, minced; 1 pound (455 g) calamarata or other tube pasta, preferably Garofalo; Zest of 1/2 lemon; Grana padano or other aged cheese; Ground cinnamon; Freshly ground nutmeg; Minced fresh parsley; Salt and freshly ground pepper; 2 to 3 amaretti cookies, crushed, optional