Bring a pot of salted water to a boil and add the prepared asparagus. Cook for 3–5 minutes.
Place the prepared asparagus in a steamer basket over boiling water. Cover the basket and steam for 3–5 minutes.
Preheat the grill to medium-high heat. Toss the prepared asparagus with a little oil and season with salt and pepper. Grill it for approximately 5–7 minutes, turning occasionally.
Preheat your oven to 425°F (220°C). Place the prepared asparagus on a baking sheet and drizzle with oil. Roast for 12–15 minutes.
Preheat your air fryer to 400°F (200°C). Toss the asparagus in olive oil, salt and pepper, and optional Parmesan cheese. Place the prepared asparagus in the air fryer basket and cook for 6–7 minutes.