There is nothing better than arugula. It can be added to anything. In this case, it’s added to a classic grilled cheese sandwich. It adds some green and pepper to the sandwich. A perfect compliment to the bread and cheese. After all, arugula is a greens super food. Why not take a plain grilled cheese and add something to give it a kick and some spice.
To kick it up another notch, add sliced apples to the sandwich.