In a medium non stick pan over medium high heat, add 1 tsp olive oil. Add steak, ¼ tsp salt and a pinch of pepper and cook for 4-5 minutes or until cooked through. Transfer to a plate and set aside.
In the same pan, add 1 tsp olive oil. Add asparagus, ¼ tsp salt and a pinch of pepper. Cook until tender and charred, 4-5 minutes. Add steak, demi, and 3 tablespoons of water to the pan. Bring to a simmer.