I found this online at www.sparkpeople.com. I made it and was blown away by how yummy it was. I did not add white rice to the recipe, but you can easily get away with many many cups of cooked rice with how much sauce this makes. The onion soup packet is just a reg. sized one. Some say they are 1oz others say 1 1/4 oz. I'm sure either will work. UPDATE: I have since made this with regular cream of mushroom soup and it was wicked salty and tasted completely different for me. I recommend only using the low-fat/fat free kind.