Roast Beef Sandwich with Horseradish Cheese and Pesto*

Ever take a bite into a sandwich and just go "WOW"? Well, you will when you bite into this. This is such an easy sandwich to throw together and take with you. Move over boring ham and cheese! Get outta here PB&J! Ok, so the first thing you want to do is heat up a pan or griddle pan over low heat. If you just want to make this a cold sandwich it will be equally as delicious don't worry. This recipe only uses half a loaf of ciabatta but you might w...