Lots of colorful vegetables and salsa make this cheesy panini prettier than any grilled cheese you've ever seen. The small amount of Cheddar cheese in this sandwich goes a long way because it is shredded and sharp. Serve with a mixed salad and you've got a delightful lunch or light supper. If you happen to have a panini maker, go ahead and skip Step 3 and grill the panini according to the manufacturer's directions.