This rich caramel custard pie is a classic favorite. The secret is to make the caramel in a cast iron skillet! Serve it with lightly sweetened whipped cream if you like.\n\n1. Add 1 (9 inch) pie shell, baked\n2. Add 1 cup white sugar\n3. Add 1/3 cup all-purpose flour\n4. Add 1/8 teaspoon salt\n5. Add 2 cups milk\n6. Add 4 egg yolks, beaten\n7. Add 1 cup white sugar