Beef Stir-Fry - cooking recipe

Ingredients

1 c. beef, sliced thin (I cut up a sirloin steak)
1 1/2 c. green pepper
2 onions
1 c. broccoli
1 tomato
1/2 c. mushrooms
1/2 c. snow peas

Preparation

May substitute or add other vegetables (carrots, celery or zucchini, etc.).