Cook the pasta according to the package directions, then drain and set it aside.
½ pound elbow pasta
Preheat the oven to 350°F (180°C). Heat a large non-stick skillet over medium-high heat, then add the ground beef. Cook, breaking it apart with a wooden spoon, until fully browned.
1 pound burger meat
Add the diced onion to the beef and cook for 5 to 7 minutes, stirring occasionally. Pour in the beef broth and crushed tomatoes, season with salt and pepper, and let it all simmer for 15 minutes to allow the flavors to combine.
½ cup onion, 1 cup beef broth, 1 cup crushed tomatoes, Salt and pepper
Grease a casserole dish. Begin layering by adding the cooked pasta, followed by the beef mixture, and top with shredded cheddar cheese.
1 cup cheddar cheese
Bake the casserole in the preheated oven for 12 to 15 minutes or until the cheese is melted and bubbly.
While the casserole bakes, mix together the mayonnaise, mustard, ketchup, garlic powder, Worcestershire sauce, diced pickles, and shredded lettuce in a small bowl to create the sauce.
½ cup mayonnaise, 2 tablespoons mustard, 2 tablespoons ketchup, ½ teaspoon garlic powder, ½ teaspoon Worcestershire sauce
Once baked, serve the casserole with the sauce, garnished with extra pickles, shredded lettuce, and parsley for added freshness.
¼ cup pickles, ¼ cup lettuce, 1 tablespoon parsley