Place tortilla on cutting board or other flat surface. Spread about 2-1/2 tablespoons of the cream cheese mixture on the tortilla using a rubber spatula. Top the cream cheese with 1/4 of the roast beef slices in an even layer. Place approximately 1/3 cup of the broccoli mixture on roast beef. Using rubber spatula or back of a spoon, spread broccoli mixture in an even layer.