You can make the sauce up to 3 days in advance, or make the whole pasta dish well in advance and freeze in oven-proof dished. The day of your event, simply heat the pastas in the oven before serving.
Prep time: 30 min. Cooking time: 1:30 hours. Makes enough for 30
Walnut Crumble Topping
5-6 lbs (dry weight) kamut (or other whole grain) penne