Chicken Pot Pie | PBS Food

Ingredients

• 4 tablespoons unsalted butter
• 1 medium onion cut into medium dice
• 1 large carrot cut into medium dice
• 1/2 cup all-purpose flour plus more for work surface
• coarse salt and ground pepper
• 4 cups low-sodium chicken broth
• 3 cups cooked chicken cut into
• 1-inc h pieces (1 pound total)
• 1 cup frozen peas
• 1 1/2 teaspoons chopped fresh thyme leaves
• 1 sheet frozen puff pastry thawed
• 1 large egg yolk