Tomato Beef Curry

Ingredients

• Marinade
• 2 teaspoons cornstarch
• 1 tablespoon soy sauce
• 1 tablespoon sherry wine
• Stir-fry ingredients
• 1 lb flank steak, sliced very thin
• 1 onion, cut in wedges, then separated
• 2 stalks celery, long diagonal slices (optional)
• 1 bell pepper, quartered, sliced 1/2-inch thick
• 2 tomatoes, cut in wedges, leave core in
• 4 tablespoons oil, about
• 2 tablespoons curry powder, to taste
• 1/2 teaspoon salt
• 3 tablespoons ketchup, to 4
• 2 tablespoons soy sauce, to taste