Stir together first 5 ingredients in a small bowl until blended. Shape into a 4-inch log; wrap in plastic wrap, and chill until firm.
Combine chili powder and next 3 ingredients in a small bowl. Stir in olive oil to form a paste. Rub chili mixture on both sides of steaks.
Combine salt and 4 1/2 quarts water in a large Dutch oven. Bring water to a boil; add asparagus. Cook 2 minutes or until crisp-tender; drain. Plunge asparagus into ice water to stop the cooking process; drain.
Gather 5 asparagus spears into a bundle; wrap with 1 slice of prosciutto. Repeat procedure with remaining asparagus and prosciutto. Set aside.
Preheat a gas grill according to manufacturer's instructions.
Place steaks on grill rack over direct high heat; grill, covered with grill lid, 10 minutes, turning once. Turn off burners that are directly below steaks. Reduce heat to medium; grill, covered with grill lid, 6 to 8 minutes or until done.
Remove steaks to serving plates; top each steak immediately with 1 tablespoon of herb cheese log. Serve asparagus bundles with steaks. Garnish, if desired.
A viewer or guest of the show, who may not be a professional cook, provided this recipe. It has not been tested for home use.