https://www.simplyrecipes.com/recipes/cajun_turkey_pot_pie/
Ingredients
For the pie crust

1 1/2 cups all purpose-flour
1/2 teaspoon kosher salt
3/4 cup (1 1/2 sticks) chilled unsalted butter, diced into 1/2-inch cubes
3 to 4 tablespoons chilled ice water
For the filling

5 tablespoons peanut oil or unsalted butter
1 1/2 cups chopped yellow or white onion
3 celery stalks, chopped
1 large green pepper, chopped
1 to 2 jalapeno peppers, chopped
4 cloves garlic , minced
3 cups diced, cooked turkey meat
2 tablespoons Cajun seasoning
Kosher salt
2 1/2 cups turkey or chicken stock
1 cup dark beer (brown ale or Guinness)
1/3 cup all-purpose flour
1 cup diced tomatoes
For the egg wash

1 egg yolk
1 tablespoon cream