large skillet over medium heat. add 1 tablespoon of butter and 1 tablespoon of oil and heat.
dip each slice of stuffed bread into the prepared custard mixture. allow to soak for just a few seconds on each side then transfer to the hot skillet. add three dipped sandwiches to the pan at a time if your pan is large enough. flip when golden brown, about 3 minutes. cook until golden on the flip side.
remove from the pan and place on a wire rack while you add the remaining butter and oil to the pan and cook the remaining three stuffed sandwiches until golden brown on both sides.
enjoy warm with a 