Spanish Rice I

Ingredients

• 1 tablespoon vegetable oil
• 1 1/2 cups instant rice
• 1 onion, chopped
• 1 red bell pepper, chopped
• 1/2 green bell pepper, chopped
• 1 teaspoon prepared mustard
• 1/2 teaspoon salt
• 1 1/2 (14.5 ounce) cans whole peeled tomatoes
• 1 cup tomato juice