A viable substitute for the browning sauce Kitchen Bouquet would be brown gravy, usually sold in packets. Depending on the amount of flavor that a cook is seeking, Worcestershire sauce is another substitute for browning sauce.
It is possible to also make a homemade browning sauce by combining melted brown sugar with water. The approximate ratio is a 1/2 cup of brown sugar, melted to 2 cups of water, combined in a saucepan. Cooks can also add additional dry flavorings to season the sauce. The ingredients in Kitchen Bouquet include caramel as well as vegetable base that includes carrots and turnips.