Preheat oven to 475 degrees F. Snap off and discard woody bases from asparagus. If desired, use a paring knife to scrape off scales. Combine oil and 1 tablespoon of the chervil or 1 teaspoon of the tarragon. Drizzle over asparagus. Toss gently to coat. In a greased 15x10x1-inch baking pan arrange asparagus in a single layer. Sprinkle lightly with salt.
Roast asparagus, uncovered, 4 to 6 minutes or until just tender, stirring once. To serve, place the asparagus upright in a glass jar or flat on a serving platter. Sprinkle with the remaining 1 tablespoon snipped chervil or 1 teaspoon snipped tarragon. Garnish with chervil sprigs, if desired. Makes 6 side-dish serving.