Old Fashioned Burger Recipe by Tasty

Ingredients

• 4 tablespoons unsalted butter
• 1 ½ lb large yellow onions, thinly sliced into half-moons
• ⅓ cup rye whiskey
• 1 teaspoon kosher salt
• 2 large navel oranges
• ¼ cup dijon mustard
• ¼ cup yellow mustard
• 1 teaspoon orange bitters
• 2 lb ground beef
• 2 teaspoons kosher salt
• 1 teaspoon freshly ground black pepper
• 1 teaspoon ground coriander
• 1 tablespoon olive oil
• 8 slices american cheese
• 4 plain burger buns
• 1 large egg, beaten
• 1 tablespoon sesame seeds
• 1 cup shredded iceberg lettuce
• 8 slices beefsteak tomatoes
• old fashioned