Classic Hamburger for Two
Make Ahead Tip: Prepare ketchup-mayonnaise sauce (Step 3) and refrigerate for up to 1 day.
Tip: To oil a grill rack, oil a folded paper towel, hold it with tongs and rub it over the rack. (Do not use cooking spray on a hot grill.)
1 1/2 starch, 1 vegetable, 3 lean meat, 1 fat