<<Disclaimer: Verify this information before applying it to your situation.>> After I posted the information that Western brand french dressing was GF, I received several requests for my homemade french dressing. Here it is: Put in blender & mix until frothy: 1 onion 1cup GF vinegar Add & mix well: 2cups Heinz ketchup 2cups sugar 1 3/4cup olive oil 4tsp. salt Very simple and my family (and guests) love it!! Linda in Minnesota