Brown the ground beef in a skillet over medium heat, breaking it apart with a spoon.
Add seasoning to the cooked beef and stir well to combine.
Warm the nacho cheese sauce in a small pot over low heat until melted and smooth.
Lay out tortillas on a clean surface and add a scoop of beef mixture down the center.
Top the beef with nacho cheese sauce, followed by tomatoes, lettuce, and jalapeños.
Fold the sides of the tortilla in, then roll it up from the bottom to enclose the filling.
Heat a skillet over medium heat and briefly toast the wraps, seam side down, to seal.
Serve hot with a dollop of sour cream on the side.
