Preheat and prep: Heat your oven to 375°F (190°C) or set your air fryer to 360°F (182°C).
Line a baking sheet with parchment paper or lightly spray your air fryer basket.
Cook the beef: Warm a large skillet over medium heat. Add ground beef (and a touch of oil if your beef is very lean). Break it up with a spatula and cook until browned, 5–7 minutes.
Add aromatics: Stir in the onion and garlic.
Cook 1–2 minutes until fragrant and softened. If there’s excess grease, drain most of it, leaving a little for flavor.
Season it up: Mix in tomato paste, Worcestershire, smoked paprika, Italian seasoning, red pepper flakes, salt, and pepper. Cook 1–2 minutes to blend the flavors.
Taste and adjust seasoning. Remove from heat and let it cool for 2–3 minutes so it’s easier to handle.
Lay out the cheese: Place cheese slices on the parchment-lined sheet, slightly overlapping if needed. If your cheese is very thin, double up to prevent tearing.
Fill and roll: Spoon 2–3 tablespoons of the beef mixture along the lower third of each cheese slice.
Gently roll from the bottom up, keeping the filling snug. Place seam-side down.
Bake or air fry: Bake 6–8 minutes or air fry 4–6 minutes, until the cheese edges are golden and the rolls hold together. Don’t overcook, or the cheese may become brittle.
Rest and serve: Let the roll ups cool for 2–3 minutes to set.
Sprinkle with chopped parsley or chives if you like. Serve with sugar-free marinara, ranch, or spicy mayo.