1 massive candy onion, sliced skinny
1 teaspoon salt, divided
1 teaspoon black pepper, divided
2 hamburger patties 85 p.c lean floor beef, about 5 oxen every
1 tablespoon unsalted butter, plus additional for buns
1 tablespoon vegetable oil
½ teaspoon sugar
2 slices American cheese
2 hamburger buns
Combine onions with ½ teaspoon salt, ½ teaspoon pepper, and sugar.
Season the burger patties with ½ teaspoon salt and ½ teaspoon pepper. Place on a plate.
Reduce the hamburger buns in half and butter both sides. Wrap in foil and warmth in a 300-degree oven whilst you prepare dinner the burgers.
Soften butter with the oil in a 12-inch nonstick skillet over medium warmth. Add the onions. Cook dinner for 10 to 12 minutes, stirring sometimes, till the onions are browned and caramelized. Divide the onions in half. Place every half on the ready burger. Press the opinion combination down on the burgers with a big steel spatula.
Utilizing the spatula, switch burgers to the skillet onion facet up and prepare dinner for five minutes. Rigorously flip the burgers over, improve warmth to excessive, and prepare dinner till effectively browned on the second facet, about 5 minutes.
Take away the hamburger buns from the oven. Place one slice of American cheese on every bun backside. Switch burgers to buns, and add serve desired toppings.
Make a facet salad or serve with sliced cucumbers and tomatoes topped along with your favourite salad dressing.