Chicken Pot Pie

Ingredients

• 2 ½ cups all-purpose flour
• ½ teaspoon salt
• 1 cup (227g) cold butter, cubed
• ⅓ to ⅔ cup ice water
• 1 cup diced peeled potatoes
• 1 cup sliced carrots
• ½ cup butter (for filling)
• ⅓ cup chopped onion
• ½ cup all-purpose flour (for roux)
• ½ teaspoon dried thyme
• ½ teaspoon black pepper
• Salt to taste
• 1 ½ cups chicken broth
• ¾ cup whole milk
• 2 cups cooked chicken, cubed
• ½ cup frozen peas
• ½ cup frozen corn