01 -
Heat olive oil in a large skillet over medium-high heat. Add chopped onion and ground beef; season with salt, pepper, and garlic powder. Cook, breaking up the meat with a wooden spoon, until beef is fully browned and onions are softened, approximately 8 minutes. Drain excess fat.
02 -
Pour Worcestershire sauce into the skillet with the beef mixture. Stir to evenly coat all ingredients.
03 -
Add Velveeta cheese to the skillet. Stir continuously until melted and the mixture becomes creamy and smooth.
04 -
Fold in dill relish and Thousand Island dressing. Stir thoroughly until the mixture is evenly blended, creating the signature sloppy joe filling.
05 -
Lightly toast sesame seed buns to prevent sogginess. On each bottom bun half, place a slice of American cheese, spoon a generous portion of the beef mixture, top with another slice of cheese, then shredded iceberg lettuce. Cover with the top bun and serve immediately.