1. *If white asparagus is not available, use 2 pounds green asparagus. 2. Preheat oven to 450 degrees. 3. Snap off tough ends of asparagus; discard tough ends. 4. Line a 15-x-10-x-1-inch jellyroll pan with aluminum foil. Place asparagus in a single layer on foil. 5. In a small bowl, combine oil, garlic, salt, and pepper; drizzle over asparagus. 6. Bake for 8 to 10 minutes, or until crisp-tender. Remove from oven; drizzle evenly with vinegar.