1 tablespoon butter
1 cup yellow onion, diced
1 celery stalk, diced
2 cloves garlic, minced
1/2 teaspoon fresh sage, minced
4 strips of bacon, cook until crispy then chop into strips
2 delicata squash, peeled, seeded and chopped
16 ounces chicken stock
1/4 teaspoon black pepper
1/2 cup Parmesan Reggiano cheese, finely grated