Gravy
¼
cup extra-virgin olive oil
1
lb. ground chicken
2
medium onions, thinly sliced
4
celery stalks, cut crosswise on a diagonal 1″ thick
2
medium carrots, peeled, halved lengthwise, cut on a diagonal1″ thick
6
garlic cloves, finely grated
¼
cup (31 g) all-purpose flour
2
cups low-sodium vegetable broth
½
cup dry white wine
⅔
cup heavy cream
1
Tbsp. plus 1½ tsp. Dijon mustard
1
Tbsp. finely grated lemon zest
1½
tsp. Diamond Crystal or ¾ tsp. Morton kosher salt, plus more
¾
tsp. freshly ground pepper, plus more
Biscuits and Assembly
2
tsp. baking powder
1½
tsp. Diamond Crystal or ¾ tsp. Morton kosher salt
½
tsp. baking soda
2
cups (250 g) all-purpose flour, plus more for surface
½
cup (1 stick) chilled unsalted butter, cut into pieces
1¼
cups sour cream (from a 16-oz. container)
¾
cup finely chopped dill, plus more for serving
Heavy cream (for brushing)
