Chop onion, celery stalk and carrot. Mince Garlic. Place chopped items into food processor with olive oil, garlic and salt and pepper to taste. Purée.
Part 2 - Cooking Vegetables and Sausage
Pour puréed vegetables into stock pot on medium high heat for 5-6 minutes. Remove casing from sausage and add sausage to stock pot. Cook down 15 minutes over medium heat. Add 1 cup white wine and reduce for 3-5 minutes.
Place everything from pot back into the food processor and purée. Place to the side.
Part 3 - Prepping Pasta
Boil water and start cooking pasta.
Part 4 - Cooking Squash
Cut butternut squash into small cubes.
Sauté 3 cups worth of butternut squash for 3-4 minutes.
Add salt, pepper & basil.
Add meat & veggie mixture back in.
Part 5 - Combining
Add cooked pasta to the meat and veggie mixture adding in 4-5 tablespoon pasta water.
Part 6 - Reduction of Heavy Cream
In a separate small stock pot on medium heat, add ½ cup heavy cream, ½ teaspoon salt and ⅓ teaspoon nutmeg over medium heat.
Simmer for 10-15 minutes then add 2-3 tablespoon parmesan cheese to thicken.
Part 7 - Plating
Pour reduced heavy cream on bottom of serving plate. Place pasta mixture on top (be sure to grab cubes of squash). Top with Truff oil, basil and parmesan cheese if you please!