Cut the baguette into slices on the diagonal and toast the slices in a hot oven for 5-7 minutes and set aside. Grill the steaks on a sizzling hot pan, 1-2 minutes on each side or more, if you prefer them well done. Season with salt and pepper, let the steaks rest for a couple of minutes and cut into thin slices. To assemble the crostini, place a slice of the toasted baguette, top it with 1-2 slices of steak and crumbled Castello Traditional Danish Blue.