1. Preheat oven to 350 degrees.

2. Unroll 1 sheet of piecrust and place in a 9-inch pie plate. Fold piecrust edges under and crimp. Set aside.

3. Snap off tough ends of asparagus; discard tough ends. Cut asparagus into 1-inch pieces; place in a small microwave-safe baking dish. Cover dish tightly with heavy-duty plastic wrap; fold back a small corner to allow steam to escape.

4. Microwave on High (100 percent power) for 4 minutes, or until crisp-tender; drain well.

5. Place asparagus in bottom of prepared crust. Top evenly with crumbled bacon and cheese.

6. In a small bowl, whisk together eggs, half-and-half, tarragon, salt, and pepper. Pour over cheese.

7. Bake for 45 to 50 minutes, or until set.