1Place oil in a skillet and cook the onion slices on medium low heat until caramelized all over. Remove to drain on a paper towel.
2Make two oval patties and season with salt and pepper. Fry in same skillet until done.
3Take one tsp of mayo and spread on the outside of each slice of bread. Top each with burger onions and 2 pieces of cheese each. Fry the sandwich about 3 minutes on each side until browned and cheese is melted
Because sometimes you just need an out-of-this-world grilled cheese...and these are the recipes you're going to want on hand. Seriously, these are some of the most delicious/ooey/gooey/mouth-watering grilled cheese recipes...