Bring 3 quarts of water to a boil in a large saucepan, add the scapes, cover and boil for 2 minutes.
Remove the scapes from the water and plunge them into an ice bath for 2 minutes. Drain and pat dry.
In a large nonstick skillet, heat one tablespoon of the oil over medium high heat. Add the mushrooms and sauté them until they are just beginning to brown.
Add the second tablespoon of oil to the pan and add the scapes, bell pepper strips, salt and pepper.
Stir fry for 5 minutes or until the scapes and peppers are heated through
Place on a serving platter and sprinkle with the sesame seeds.