Chicken Paprikash Pot Pie — Cafe Hailee

Name: Chicken Paprikash Pot Pie — Cafe Hailee
Prep time: 20 min
Cook time: 1 h
Total time: 1 h 20 min
Ingredients: 2 lbs. bone in skin on chicken thighs; Kosher salt and black pepper, to taste; 1 Tbsp olive oil; 3 celery stalks, small diced; 2 carrots, small diced; 1 onion, small diced; 1/2 fennel bulb, cored and small diced; 4 cloves garlic, minced; 1 Tbsp smoked paprika; 5 Tbsp unsalted butter, plus more for greasing the dish; 6 Tbsp all purpose flour; 2 cups chicken stock; 1 bay leaf; 4 sprigs fresh thyme; 1/3 cup sour cream; 3/4 cup frozen peas; 1/4 cup chopped fresh dill; 1/3 cup chopped fresh parsley; 2 Tbsp chopped fresh tarragon; 1 lemon, zested; 1 sheet homemade puff pasty, or store bought (thawed); 1 egg; 1 Tbsp water; Flake salt, for sprinkling