1 Cut steak into 1/8-inch thick strips. Add 2 tablespoons teriyaki sauce to beef strips; toss to coat evenly.2 Combine remaining 3 tablespoons teriyaki sauce, peanut butter, water, red pepper and ginger.3 Cook vermicelli in salted boiling water according to package directions; drain and rinse. Toss vermicelli with peanut butter mixture to coat well.4 In a large nonstick skillet or wok, heat oil over medium-high heat until hot. Add beef (1/2 at a time) and stir-fry 1 to 2 minutes or until outside surface is no longer pink.5 (Do not overcook.) Add to noodles; toss lightly. Sprinkle with chopped cucumber. Serve immediately.

Source: www.beefitswhatsfordinner.com