Heat nacho cheese sauce in a saucepan over low heat until warm and smooth.
Assemble the Wraps:
Lay a tortilla flat on a plate.
Spread a generous layer of nacho cheese sauce in the center.
Add a portion of the cooked beef on top of the cheese sauce.
Add shredded lettuce, diced tomatoes, diced onions, and sliced jalapeƱos.
Drizzle more nacho cheese sauce on top if desired.