Prepare Buns : Using a small, sharp knife, carve Jack-O’-Lantern faces on the top of each burger bun. Be careful not to cut all the way through. Optional: lightly brush with olive oil for a shiny finish.
Cook Aromatics : In a large skillet, heat a little oil over medium heat. Add chopped onion and garlic, sauté for 2–3 minutes until soft and fragrant.
Brown the Meat : Add ground meat to the skillet. Cook, breaking up with a spoon, until browned and cooked through.
Add Sauce Ingredients : Stir in ketchup, tomato paste, Worcestershire sauce, smoked paprika, chili powder, salt, and pepper. Reduce heat and simmer for 5–10 minutes, stirring occasionally, until thickened.
Assemble Sloppy Joes : Spoon the hot meat mixture generously onto the bottom half of each carved bun. Top with optional cheese, lettuce, or pickles. Place the carved bun top on the sandwich.
Serve : Serve immediately while hot and enjoy the spooky presentation.