Roll roast beef slices into cornucopias. Arrange beef and avocado slices in a circle on a large plate. Mix lettuce, cheese, sliced Jalapeno peppers, tomato wedges and onion in bowl. Place lettuce mixture into center of plate. Garnish with tortilla chips by encircling entire lettuce mixture with chips.
Combine all ingredients for dressing in blender and blend until smooth. Serve dressing separately.
Serve 6 to 8.
Cajun Country -- New Iberia, Louisiana