Baked Ziti with sprigs

olive oil 2 tablespoons olive oil 1 large onion , cut into small dice 6 garlic cloves , minced 1 1/2 lbs hot Italian sausage , removed from its casing and[...]

1 lb dried ziti pasta kosher salt 3 1/2 cups quick tomato sauce 1 lb fresh mozzarella cheese , half cut into 1/2-inch cubes and half thinly sliced 3/4 cup[...]

2 tablespoons extra virgin olive oil 4 ounces thinly sliced pancetta , chopped 2 lbs pork shoulder, cut into 1 and 1/4-inch cubes 1 lb hot sausage , casings[...]