2 tbsp. chopped fresh chives
Kosher salt and freshly ground black pepper, to taste
10 oz. shredded extra-sharp cheddar cheese, about 2 1/2 cups
1 tsp. Dijon mustard
1 (15-ounce) can butternut squash puree
1 cup whole milk
1 1/4 cups half and half
1 1/2 tbsp. finely chopped sage
2 tbsp. all-purpose flour
1 shallot, minced
3 cloves garlic, minced
2 tbsp. unsalted butter
6 slices bacon, diced
8 oz. medium pasta shells