Ingredients 1 pound ground beef Worcestershire sauce 1 teaspoon steak seasoning 1 large yellow onion olive oil butter 4 (8-inch) flour tortillas 1 cup lettuce ½ cup shredded cheddar cheese For the sauce ¼ cup Mayonnaise ¼ cup salsa Instructions Make four hamburger patties from ground beef, depressing the center of each patty to aid…