zona's lazy recipes
Warm the roast beef and heat the cheddar cheese sauce in a microwave safe bowl for 30 seconds or until heated through.
Place the bottom half of the onion bun on a plate and top with the secret dressing.
Layer the warm roast beef slices, piled high, on top of the red dressing.
Spread the heated cheese sauce on top of the roast beef.
Top the sandwich with the remaining half of the onion bun.