Ingredients

• 2 teaspoons olive oil
• 1 medium onion, sliced thin
• 2 cloves garlic, minced
• 1 cup beef broth
• 1/4 cup light soy sauce
• 1/4 teaspoon sugar
• 1/2 teaspoon pepper
• 1 stalk celery, sliced
• 1 red bell pepper, sliced thin
• 1 yellow bell pepper, sliced thin
• 2 teaspoons cornstarch
• 1/4 cup cold water
• 1 green bell pepper, sliced thin
• 1 can chopped tomato, drained or 2 medium tomatoes blanched,peeled and cut into wedges
• 1 lb beef top round steak, cut 1 inch thick