That burger in the commercial looks perfect. The cheese is melted just right, the lettuce is crisp and vibrant, and there’s steam rising off the patty like it just came off the grill. You order it and ...

A staple of delicious grilling is beautiful char lines in rows or a grid. If steak, veggies, or even fruit have those grill marks, you know it's been freshly cooked over a fire just for you, right?