Chicken Alfredo Pot Pie

Name: Chicken Alfredo Pot Pie
Prep time: 15 min
Cook time: 40 min
Total time: 55 min
Cuisine: American
Ingredients: 1 (15-ounce) jar store-bought Alfredo sauce; 1/4 cup store-bought or homemade chicken broth; 1 teaspoon finely grated lemon zest; 3 to 3 1/2 cups frozen peas and carrots; 2 cups cooked, shredded chicken; Kosher salt, to taste; Freshly ground black pepper, to taste; 1 (16.3-ounce) tube refrigerated uncooked biscuits; 1 large egg, well beaten; 1 tablespoon coarsely chopped fresh parsley, for serving, optional