sweet and sour beef over noodles

Ingredients

• 1 cup chopped onion
• 1 cup carrots, sliced or chopped
• 1-15 oz. can tomato sauce
• 6 tablespoons light brown sugar
• 6 tablespoons white vinegar
• 1 1/2 tablespoons worcestershire sauce
• 1/4 teaspoon black pepper
• 1/4 teaspoon garlic powder
• 1 1/2 pounds sirloin steak, cubed or sliced
• 1 1/2 to 2 tablespoons cornstarch
• 1/4 cup water
• 6 to 8 ounces wide egg noodles, cooked according to pkg directions