1/2 lb asparagus, trimmed, cut on the diagonal into 1 1/2 inch lengths (about 1 1/2 cups)
1 lb of flank steak, sliced in half lengthwise (along the grain) and then cut into thin strips, 2 inches long and 1/4 inch wide (put the steak in the freezer for 15 minutes before slicing to make it easier to slice)
1 red bell pepper, seeded, de-ribbed, and cut into thin strips 2 inches long and 1/4 inch wide
2 teaspoons of cornstarch dissolved into 3 Tablespoons of water