1
: Preheat oven to 400ºF (200ºC). Line a baking sheet with parchment paper.
2
: Toss butternut squash with oil, salt and pepper. Spread out on prepared baking sheet in a single layer. Bake in preheated oven for 20 minutes. After the 20 minutes, add the chopped onion to the baking sheet. Continue baking for an additional 25 minutes. Remove from oven.
3
: Meanwhile, prepare gnocchi according to package directions.
4
: Melt butter in a large deep skillet over medium heat. Add flour and cook, stirring often for 2 minutes. Add evaporated milk and bring to a boil. Cook until mixture is thickened, about 2 to 3 minutes. Add cheese, sage and gnocchi. Cook, stirring constantly until cheese is melted.
5
: Garnish with chopped walnuts if desired