Mix first 3 ingredients just until blended; shape into 4 (1/2-inch-thick) patties.
Grill 4 to 5 min. on each side or until done (160ºF). Top with Singles; grill 1 min. or until melted.
Place lettuce on bottom halves of buns; top with cheeseburgers, onions and ketchup. Cover with tops of buns.
To serve cheeseburgers in toasted buns, place buns, cut sides down, on grill grate for the last 2 min. of the burger grilling time.
Grill sliced fresh vegetables along with the burgers, then serve with the sandwiches to balance out the meal.
Calories From Fat
% Daily Value*
Total Fat 19g
Saturated Fat 8g
Trans Fat 1g
Total Carbohydrates 30g
Dietary Fiber 1g
* Percent Daily Values are based on a 2,000 calorie diet.
* Nutrition information is estimated based on the ingredients and cooking instructions as described in each recipe and is intended to be used for informational purposes only. Please note that nutrition details may vary based on methods of preparation, origin and freshness of ingredients used.