Pepper Steak - cooking recipe

Ingredients

1 flank steak (round or sirloin works)
1 Tbsp. soy sauce
2 Tbsp. sherry
1 scant tsp. sugar
2 Tbsp. cornstarch
salt to taste
2 to 3 green peppers
4 Tbsp. oil or oleo

Preparation

Cut steak into thirds lengthwise, then into 1/8-inch strips crosswise.
(If slightly frozen, it slices better.) Put into bowl. Add next 5 ingredients and marinate at least 15 minutes (longer if possible).
Stir 2 or 3 times during marinade process.