Cook noodles according to package directions. Drain and rinse with cold water; drain. Coarsely chop noodles.

While noodles cook, freeze steak 5 minutes. Remove from freezer; cut across grain into 1/8-inch-thick slices. Sprinkle with salt and black pepper.

Heat a large cast-iron skillet over medium-high heat. Coat with cooking spray. Add beef; sauté 4 minutes.

Combine steak, noodles, lettuce, onion, cucumber, and habanero. Combine juice, sugar, and fish sauce; pour over noodle mixture, tossing gently. Sprinkle with basil.

Cook noodles according to package directions, omitting salt and fat; drain. Place in a large bowl. Snip noodles several times with kitchen scissors.

Combine ginger, five-spice powder, and pork in a medium bowl; add 1/4 teaspoon salt, tossing to coat. Heat oil in a large nonstick skillet over medium-high heat. Add pork mixture; sauté 2 minutes or until browned. Stir in remaining 1/4 teaspoon salt, water, and hoisin sauce; cook 2 minutes or until pork is done. Add pork mixture and green onions to noodles; toss well to combine.

Bring balsamic vinegar to a boil in a small, heavy saucepan. Reduce heat to medium; cook until reduced to 1/4 cup (about 5 minutes). Remove from heat.

Heat oil in a large nonstick skillet over medium-high heat. Add onion, and sauté 10 minutes or until tender. Sprinkle with 1/4 teaspoon salt; sauté 18 minutes or until onions are golden brown. Remove from heat.

Preheat broiler.

Sprinkle steak with remaining 1/4 teaspoon salt, pepper, and thyme. Place steak on a broiler pan coated with cooking spray; broil 6 minutes on each side or until desired degree of doneness. Cutsteak diagonally across grain into thin slices. Serve steak over onions; drizzle with balsamic glaze.