I do a lot of cooking for a volunteer group and found this gravy mix at Costco. It is excellent.

Trio Brown Gravy Mix is an excellent product to keep on hand. 467 g package is $3.29 at Costco. It is free of fat and so easy to use. When I need gravy, or want to enhance the gravy I have already made I simply sprinkle a bit of the powder into the liquid and stir. I use it a lot when making large batches of soup to serve to the homeless, it adds that extra bit of flavour that I need. It is so convenient that I plan on buying a few more packages and keeping them in a storage container to always have on hand.

Give it a try, I feel certain that you will like it and continue to use it the same as I did.