Put your pasta on to cook in a large pot and cook according to instructions and desired done-ness. Once done, drain and set aside.
Make the dressing by whisking together all of the dressing ingredients. Set aside.
In a large skillet heat the olive oil over medium heat and then add in the brussles sprouts and butternut squash chunks. Saute for 5 minutes.
Add in the water, cover the pot, and let steam for about 8-10 minutes, stirring frequently, until the veggies are tender and the squash can be easily pierced with a fork. Take off of heat.
In a large bowl, combine the pasta, veggies, nuts, and dressing. Toss to coat.
ENJOY! I prefer this pasta salad warm but it also tastes pretty good cold!