- Preheat oven to 450F.
- Spray a large tin pan with non-stick spray. Arrange the asparagus in a single layer in the pan. Spray with non-stick spray and sprinkle with the pepper.
- Roast the asparagus, shaking the pan occasionally, until crisp-tender, about 15 minutes.
- Meanwhile, combine the miso and lime juice in a small bowl.
- Remove the pan from the oven. Toss the asparagus with the miso mixture.
- Bake the asparagus until tender and glazed, about 3 minutes.