Mix 2/3 cup Johnny's French Dip Sauce with 1 1/3 cup water, set aside. Melt butter in medium sauce pan over medium heat. Add flour and stir continuously for 5 minutes. Add minced garlic and stir for 30 seconds more. Whisk in the Johnny's French Dip mixture. Add the rest and bring to a simmer.Reduce heat to low and simmer for 20 minutes. Strain and serve.