Cardamom Buttermilk Pie

Name: Cardamom Buttermilk Pie
Prep time: 10 min
Cook time: 1 h 15 min
Total time: 1 h 25 min
Yield: 8 serving(s)
Ingredients: 1 unbaked pie shell, deep dish; 4 tablespoons melted butter; 3 egg yolks; 2 cups buttermilk; 1 cup sour cream; 1 lemon, zest of; 1 tablespoon lemon juice; 1/2 teaspoon salt; 3 tablespoons flour; 1 teaspoon cardamom; 1 cup sugar